912202002001021 has 16 divisors (see below), whose sum is σ = 943162884615168. Its totient is φ = 881337084566400.

The previous prime is 912202002001001. The next prime is 912202002001027. The reversal of 912202002001021 is 120100200202219.

It is not a de Polignac number, because 912202002001021 - 2²¹ = 912201999903869 is a prime.

It is a super-2 number, since 2×912202002001021² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912202002000983 and 912202002001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912202002001027) 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, 3309846936 + ... + 3310122526.

It is an arithmetic number, because the mean of its divisors is an integer number (58947680288448).

Almost surely, 2^{912202002001021} is an apocalyptic number.

It is an amenable number.

912202002001021 is a deficient number, since it is larger than the sum of its proper divisors (30960882614147).

912202002001021 is a wasteful number, since it uses less digits than its factorization.

912202002001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449292.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 912202002001021 in words is "nine hundred twelve trillion, two hundred two billion, two million, one thousand, twenty-one".