1020201212120 has 64 divisors (see below), whose sum is σ = 2472521379840. Its totient is φ = 377746300800.

The previous prime is 1020201212087. The next prime is 1020201212123. The reversal of 1020201212120 is 212121020201.

1020201212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020201212120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020201212095 and 1020201212104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201212123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17857196 + ... + 17914235.

It is an arithmetic number, because the mean of its divisors is an integer number (38633146560).

Almost surely, 2^{1020201212120} is an apocalyptic number.

1020201212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020201212120 is an abundant number, since it is smaller than the sum of its proper divisors (1452320167720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020201212120 is a wasteful number, since it uses less digits than its factorization.

1020201212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35771496 (or 35771492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020201212120 its reverse (212121020201), we get a palindrome (1232322232321).

It can be divided in two parts, 1020201 and 212120, that added together give a palindrome (1232321).

The spelling of 1020201212120 in words is "one trillion, twenty billion, two hundred one million, two hundred twelve thousand, one hundred twenty".