12020001022120 has 64 divisors (see below), whose sum is σ = 33286156686720. Its totient is φ = 3804132190464.

The previous prime is 12020001022103. The next prime is 12020001022123. The reversal of 12020001022120 is 2122010002021.

It is a happy number.

12020001022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 12020001022120.

It is not an unprimeable number, because it can be changed into a prime (12020001022123) 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, 1651095402 + ... + 1651102681.

It is an arithmetic number, because the mean of its divisors is an integer number (520096198230).

Almost surely, 2^{12020001022120} is an apocalyptic number.

12020001022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020001022120 is an abundant number, since it is smaller than the sum of its proper divisors (21266155664600).

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

12020001022120 is a wasteful number, since it uses less digits than its factorization.

12020001022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302198114 (or 3302198110 counting only the distinct ones).

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

Adding to 12020001022120 its reverse (2122010002021), we get a palindrome (14142011024141).

The spelling of 12020001022120 in words is "twelve trillion, twenty billion, one million, twenty-two thousand, one hundred twenty".