1012210002220 has 48 divisors (see below), whose sum is σ = 2200831184160. Its totient is φ = 390586090496.

The previous prime is 1012210002203. The next prime is 1012210002239. The reversal of 1012210002220 is 222000122101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012210002220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75757 + ... + 1424836.

It is an arithmetic number, because the mean of its divisors is an integer number (45850649670).

Almost surely, 2^{1012210002220} is an apocalyptic number.

1012210002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012210002220 is an abundant number, since it is smaller than the sum of its proper divisors (1188621181940).

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

1012210002220 is a wasteful number, since it uses less digits than its factorization.

1012210002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501794 (or 1501792 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012210002220 its reverse (222000122101), we get a palindrome (1234210124321).

The spelling of 1012210002220 in words is "one trillion, twelve billion, two hundred ten million, two thousand, two hundred twenty".