10231312122 has 48 divisors (see below), whose sum is σ = 22824449280. Its totient is φ = 3397257648.

The previous prime is 10231312103. The next prime is 10231312123. The reversal of 10231312122 is 22121313201.

10231312122 is a `hidden beast` number, since 1 + 0 + 231 + 312 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10231312095 and 10231312104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231312123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4634743 + ... + 4636949.

It is an arithmetic number, because the mean of its divisors is an integer number (475509360).

Almost surely, 2^10231312122 is an apocalyptic number.

10231312122 is an abundant number, since it is smaller than the sum of its proper divisors (12593137158).

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

10231312122 is an equidigital number, since it uses as much as digits as its factorization.

10231312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10231312122 its reverse (22121313201), we get a palindrome (32352625323).

The spelling of 10231312122 in words is "ten billion, two hundred thirty-one million, three hundred twelve thousand, one hundred twenty-two".