12151157832 has 108 divisors (see below), whose sum is σ = 36203781705. Its totient is φ = 3679051200.

The previous prime is 12151157819. The next prime is 12151157833. The reversal of 12151157832 is 23875115121.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12151157832 is a `hidden beast` number, since 1 + 2 + 1 + 51 + 1 + 578 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9425691396 + 2725466436 = 97086^2 + 52206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77946.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12151157833) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10288282 + ... + 10289462.

Almost surely, 2^12151157832 is an apocalyptic number.

12151157832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12151157832

12151157832 is an abundant number, since it is smaller than the sum of its proper divisors (24052623873).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12151157832 is a wasteful number, since it uses less digits than its factorization.

12151157832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 1197 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The spelling of 12151157832 in words is "twelve billion, one hundred fifty-one million, one hundred fifty-seven thousand, eight hundred thirty-two".