23212112022 has 48 divisors (see below), whose sum is σ = 54875974608. Its totient is φ = 7032565440.

The previous prime is 23212111999. The next prime is 23212112051. The reversal of 23212112022 is 22021121232.

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 = 23212111986 and 23212112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1420048 + ... + 1436300.

It is an arithmetic number, because the mean of its divisors is an integer number (1143249471).

Almost surely, 2^23212112022 is an apocalyptic number.

23212112022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23212112022 is an abundant number, since it is smaller than the sum of its proper divisors (31663862586).

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

23212112022 is a wasteful number, since it uses less digits than its factorization.

23212112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23485 (or 23482 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23212112022 its reverse (22021121232), we get a palindrome (45233233254).

The spelling of 23212112022 in words is "twenty-three billion, two hundred twelve million, one hundred twelve thousand, twenty-two".