12151611124 has 12 divisors (see below), whose sum is σ = 21284783044. Its totient is φ = 6070244544.

The previous prime is 12151611089. The next prime is 12151611127. The reversal of 12151611124 is 42111615121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7933108624 + 4218502500 = 89068^2 + 64950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151611127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385337 + ... + 1394080.

Almost surely, 2^12151611124 is an apocalyptic number.

It is an amenable number.

12151611124 is a deficient number, since it is larger than the sum of its proper divisors (9133171920).

12151611124 is a wasteful number, since it uses less digits than its factorization.

12151611124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780514 (or 2780512 counting only the distinct ones).

The product of its digits is 480, while the sum is 25.

The spelling of 12151611124 in words is "twelve billion, one hundred fifty-one million, six hundred eleven thousand, one hundred twenty-four".