23012121212022 has 64 divisors (see below), whose sum is σ = 46932855459840. Its totient is φ = 7520774484000.

The previous prime is 23012121212011. The next prime is 23012121212033. The reversal of 23012121212022 is 22021212121032.

It is an interprime number because it is at equal distance from previous prime (23012121212011) and next prime (23012121212033).

It is a self number, because there is not a number n which added to its sum of digits gives 23012121212022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77380729 + ... + 77677547.

It is an arithmetic number, because the mean of its divisors is an integer number (733325866560).

Almost surely, 2^{23012121212022} is an apocalyptic number.

23012121212022 is an abundant number, since it is smaller than the sum of its proper divisors (23920734247818).

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

23012121212022 is a wasteful number, since it uses less digits than its factorization.

23012121212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298089.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 23012121212022 its reverse (22021212121032), we get a palindrome (45033333333054).

The spelling of 23012121212022 in words is "twenty-three trillion, twelve billion, one hundred twenty-one million, two hundred twelve thousand, twenty-two".