10231123121212 has 36 divisors (see below), whose sum is σ = 21736711423504. Its totient is φ = 4126839575040.

The previous prime is 10231123121209. The next prime is 10231123121231. The reversal of 10231123121212 is 21212132113201.

It is a happy number.

10231123121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632167089 + ... + 632183272.

Almost surely, 2^{10231123121212} is an apocalyptic number.

It is an amenable number.

10231123121212 is an abundant number, since it is smaller than the sum of its proper divisors (11505588302292).

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

10231123121212 is a wasteful number, since it uses less digits than its factorization.

10231123121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264350406 (or 1264350387 counting only the distinct ones).

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

Adding to 10231123121212 its reverse (21212132113201), we get a palindrome (31443255234413).

The spelling of 10231123121212 in words is "ten trillion, two hundred thirty-one billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred twelve".