12011400125 has 16 divisors (see below), whose sum is σ = 15010305024. Its totient is φ = 9596250000.

The previous prime is 12011400113. The next prime is 12011400157. The reversal of 12011400125 is 52100411021.

It is not a de Polignac number, because 12011400125 - 2⁴ = 12011400109 is a prime.

It is a Duffinian number.

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, 29900 + ... + 157850.

It is an arithmetic number, because the mean of its divisors is an integer number (938144064).

Almost surely, 2^12011400125 is an apocalyptic number.

It is an amenable number.

12011400125 is a deficient number, since it is larger than the sum of its proper divisors (2998904899).

12011400125 is an equidigital number, since it uses as much as digits as its factorization.

12011400125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128717 (or 128707 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12011400125 its reverse (52100411021), we get a palindrome (64111811146).

The spelling of 12011400125 in words is "twelve billion, eleven million, four hundred thousand, one hundred twenty-five".