12124205015 has 48 divisors (see below), whose sum is σ = 16309133568. Its totient is φ = 8600911872.

The previous prime is 12124205011. The next prime is 12124205053. The reversal of 12124205015 is 51050242121.

It is not a de Polignac number, because 12124205015 - 2² = 12124205011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124205011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14048474 + ... + 14049336.

It is an arithmetic number, because the mean of its divisors is an integer number (339773616).

Almost surely, 2^12124205015 is an apocalyptic number.

12124205015 is a deficient number, since it is larger than the sum of its proper divisors (4184928553).

12124205015 is a wasteful number, since it uses less digits than its factorization.

12124205015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12124205015 its reverse (51050242121), we get a palindrome (63174447136).

The spelling of 12124205015 in words is "twelve billion, one hundred twenty-four million, two hundred five thousand, fifteen".