10312123132021 has 16 divisors (see below), whose sum is σ = 10737705369600. Its totient is φ = 9892515063600.

The previous prime is 10312123132013. The next prime is 10312123132027. The reversal of 10312123132021 is 12023132121301.

It is a cyclic number.

It is not a de Polignac number, because 10312123132021 - 2³ = 10312123132013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10312123131983 and 10312123132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312123132027) 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, 2350500 + ... + 5113618.

It is an arithmetic number, because the mean of its divisors is an integer number (671106585600).

Almost surely, 2^{10312123132021} is an apocalyptic number.

It is an amenable number.

10312123132021 is a deficient number, since it is larger than the sum of its proper divisors (425582237579).

10312123132021 is a wasteful number, since it uses less digits than its factorization.

10312123132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764200.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10312123132021 its reverse (12023132121301), we get a palindrome (22335255253322).

The spelling of 10312123132021 in words is "ten trillion, three hundred twelve billion, one hundred twenty-three million, one hundred thirty-two thousand, twenty-one".