2021122000012 has 12 divisors (see below), whose sum is σ = 3541673177056. Its totient is φ = 1009215378000.

The previous prime is 2021121999989. The next prime is 2021122000013. The reversal of 2021122000012 is 2100002211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021121999956 and 2021122000001.

It is not an unprimeable number, because it can be changed into a prime (2021122000013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336402123 + ... + 336408130.

Almost surely, 2^{2021122000012} is an apocalyptic number.

It is an amenable number.

2021122000012 is a deficient number, since it is larger than the sum of its proper divisors (1520551177044).

2021122000012 is a wasteful number, since it uses less digits than its factorization.

2021122000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672811008 (or 672811006 counting only the distinct ones).

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

Adding to 2021122000012 its reverse (2100002211202), we get a palindrome (4121124211214).

The spelling of 2021122000012 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve", and thus it is an aban number.