20231123121212 has 12 divisors (see below), whose sum is σ = 37267858381320. Its totient is φ = 9583163583696.

The previous prime is 20231123121179. The next prime is 20231123121221. The reversal of 20231123121212 is 21212132113202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133099494143 + ... + 133099494294.

It is an arithmetic number, because the mean of its divisors is an integer number (3105654865110).

Almost surely, 2^{20231123121212} is an apocalyptic number.

It is an amenable number.

20231123121212 is a deficient number, since it is larger than the sum of its proper divisors (17036735260108).

20231123121212 is a wasteful number, since it uses less digits than its factorization.

20231123121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266198988460 (or 266198988458 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20231123121212 its reverse (21212132113202), we get a palindrome (41443255234414).

The spelling of 20231123121212 in words is "twenty trillion, two hundred thirty-one billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred twelve".