12020122021000 has 32 divisors (see below), whose sum is σ = 28127085531480. Its totient is φ = 4808048808000.

The previous prime is 12020122020997. The next prime is 12020122021009. The reversal of 12020122021000 is 12022102021.

It is a happy number.

12020122021000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6834491289796 + 5185630731204 = 2614286^2 + 2277198^2 .

It is not an unprimeable number, because it can be changed into a prime (12020122021009) 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, 6010060011 + ... + 6010062010.

Almost surely, 2^{12020122021000} is an apocalyptic number.

12020122021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020122021000 is an abundant number, since it is smaller than the sum of its proper divisors (16106963510480).

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

12020122021000 is a wasteful number, since it uses less digits than its factorization.

12020122021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020122042 (or 12020122028 counting only the distinct ones).

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

Adding to 12020122021000 its reverse (12022102021), we get a palindrome (12032144123021).

The spelling of 12020122021000 in words is "twelve trillion, twenty billion, one hundred twenty-two million, twenty-one thousand".