12132531554 has 32 divisors (see below), whose sum is σ = 21415593024. Its totient is φ = 5082194880.

The previous prime is 12132531539. The next prime is 12132531569. The reversal of 12132531554 is 45513523121.

It is an interprime number because it is at equal distance from previous prime (12132531539) and next prime (12132531569).

It is a self number, because there is not a number n which added to its sum of digits gives 12132531554.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 140717 + ... + 209919.

It is an arithmetic number, because the mean of its divisors is an integer number (669237282).

Almost surely, 2^12132531554 is an apocalyptic number.

12132531554 is a deficient number, since it is larger than the sum of its proper divisors (9283061470).

12132531554 is a wasteful number, since it uses less digits than its factorization.

12132531554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69842.

The product of its digits is 18000, while the sum is 32.

The spelling of 12132531554 in words is "twelve billion, one hundred thirty-two million, five hundred thirty-one thousand, five hundred fifty-four".