23212123135125 has 32 divisors (see below), whose sum is σ = 38693578884480. Its totient is φ = 12357809907200.

The previous prime is 23212123135109. The next prime is 23212123135139. The reversal of 23212123135125 is 52153132121232.

It is not a de Polignac number, because 23212123135125 - 2⁴ = 23212123135109 is a prime.

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, 54761340 + ... + 55183589.

It is an arithmetic number, because the mean of its divisors is an integer number (1209174340140).

Almost surely, 2^{23212123135125} is an apocalyptic number.

23212123135125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23212123135125 is a deficient number, since it is larger than the sum of its proper divisors (15481455749355).

23212123135125 is a wasteful number, since it uses less digits than its factorization.

23212123135125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109945510 (or 109945500 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

Adding to 23212123135125 its reverse (52153132121232), we get a palindrome (75365255256357).

The spelling of 23212123135125 in words is "twenty-three trillion, two hundred twelve billion, one hundred twenty-three million, one hundred thirty-five thousand, one hundred twenty-five".