12124629977 has 16 divisors (see below), whose sum is σ = 12687840000. Its totient is φ = 11576466384.

The previous prime is 12124629971. The next prime is 12124630031. The reversal of 12124629977 is 77992642121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12124629977 - 2²⁸ = 11856194521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124629971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440774 + ... + 467472.

It is an arithmetic number, because the mean of its divisors is an integer number (792990000).

Almost surely, 2^12124629977 is an apocalyptic number.

It is an amenable number.

12124629977 is a deficient number, since it is larger than the sum of its proper divisors (563210023).

12124629977 is a wasteful number, since it uses less digits than its factorization.

12124629977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26980.

The product of its digits is 762048, while the sum is 50.

The spelling of 12124629977 in words is "twelve billion, one hundred twenty-four million, six hundred twenty-nine thousand, nine hundred seventy-seven".