125583649012 has 48 divisors (see below), whose sum is σ = 233088045568. Its totient is φ = 59099621760.

The previous prime is 125583648961. The next prime is 125583649033. The reversal of 125583649012 is 210946385521.

It is a super-2 number, since 2×125583649012² (a number of 23 digits) contains 22 as substring.

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, 16269778 + ... + 16277494.

Almost surely, 2^125583649012 is an apocalyptic number.

It is an amenable number.

125583649012 is a deficient number, since it is larger than the sum of its proper divisors (107504396556).

125583649012 is a wasteful number, since it uses less digits than its factorization.

125583649012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336 (or 11334 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 125583649012 in words is "one hundred twenty-five billion, five hundred eighty-three million, six hundred forty-nine thousand, twelve".