12020120211012 has 24 divisors (see below), whose sum is σ = 29014083268800. Its totient is φ = 3868544435616.

The previous prime is 12020120210951. The next prime is 12020120211013. The reversal of 12020120211012 is 21011202102021.

It is a junction number, because it is equal to n+sod(n) for n = 12020120210982 and 12020120211000.

It is not an unprimeable number, because it can be changed into a prime (12020120211013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270287312 + ... + 17270288007.

It is an arithmetic number, because the mean of its divisors is an integer number (1208920136200).

Almost surely, 2^{12020120211012} is an apocalyptic number.

12020120211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020120211012 is an abundant number, since it is smaller than the sum of its proper divisors (16993963057788).

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

12020120211012 is a wasteful number, since it uses less digits than its factorization.

12020120211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540575355 (or 34540575353 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020120211012 its reverse (21011202102021), we get a palindrome (33031322313033).

The spelling of 12020120211012 in words is "twelve trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, twelve".