38912010210021 has 32 divisors (see below), whose sum is σ = 55947311763840. Its totient is φ = 23914306335744.

The previous prime is 38912010210013. The next prime is 38912010210113. The reversal of 38912010210021 is 12001201021983.

It is not a de Polignac number, because 38912010210021 - 2³ = 38912010210013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38912010215021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90266025 + ... + 90696081.

It is an arithmetic number, because the mean of its divisors is an integer number (1748353492620).

Almost surely, 2^{38912010210021} is an apocalyptic number.

It is an amenable number.

38912010210021 is a deficient number, since it is larger than the sum of its proper divisors (17035301553819).

38912010210021 is a wasteful number, since it uses less digits than its factorization.

38912010210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433125.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 38912010210021 in words is "thirty-eight trillion, nine hundred twelve billion, ten million, two hundred ten thousand, twenty-one".