12400125051112 has 32 divisors (see below), whose sum is σ = 23745183361920. Its totient is φ = 6068079077760.

The previous prime is 12400125051107. The next prime is 12400125051131. The reversal of 12400125051112 is 21115052100421.

It is a super-2 number, since 2×12400125051112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61151812 + ... + 61354252.

It is an arithmetic number, because the mean of its divisors is an integer number (742036980060).

Almost surely, 2^{12400125051112} is an apocalyptic number.

It is an amenable number.

12400125051112 is a deficient number, since it is larger than the sum of its proper divisors (11345058310808).

12400125051112 is a wasteful number, since it uses less digits than its factorization.

12400125051112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365401 (or 365397 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 12400125051112 its reverse (21115052100421), we get a palindrome (33515177151533).

The spelling of 12400125051112 in words is "twelve trillion, four hundred billion, one hundred twenty-five million, fifty-one thousand, one hundred twelve".