23213122212120 has 64 divisors (see below), whose sum is σ = 69951650872320. Its totient is φ = 6162407324544.

The previous prime is 23213122212107. The next prime is 23213122212167. The reversal of 23213122212120 is 2121222131232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433701234 + ... + 433754753.

It is an arithmetic number, because the mean of its divisors is an integer number (1092994544880).

Almost surely, 2^{23213122212120} is an apocalyptic number.

23213122212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213122212120 is an abundant number, since it is smaller than the sum of its proper divisors (46738528660200).

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

23213122212120 is a wasteful number, since it uses less digits than its factorization.

23213122212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867456224 (or 867456220 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 23213122212120 its reverse (2121222131232), we get a palindrome (25334344343352).

The spelling of 23213122212120 in words is "twenty-three trillion, two hundred thirteen billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".