12023555131225 has 144 divisors (see below), whose sum is σ = 17575024626432. Its totient is φ = 8133368320000.

The previous prime is 12023555131219. The next prime is 12023555131229. The reversal of 12023555131225 is 52213155532021.

It is a de Polignac number, because none of the positive numbers 2^k-12023555131225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023555131229) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 887144049 + ... + 887157601.

It is an arithmetic number, because the mean of its divisors is an integer number (122048782128).

Almost surely, 2^{12023555131225} is an apocalyptic number.

It is an amenable number.

12023555131225 is a deficient number, since it is larger than the sum of its proper divisors (5551469495207).

12023555131225 is a wasteful number, since it uses less digits than its factorization.

12023555131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960 (or 13944 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 12023555131225 in words is "twelve trillion, twenty-three billion, five hundred fifty-five million, one hundred thirty-one thousand, two hundred twenty-five".