12011513532 has 48 divisors (see below), whose sum is σ = 28693496832. Its totient is φ = 3908701440.

The previous prime is 12011513483. The next prime is 12011513587. The reversal of 12011513532 is 23531511021.

It is a congruent number.

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, 1242357 + ... + 1251987.

It is an arithmetic number, because the mean of its divisors is an integer number (597781184).

Almost surely, 2^12011513532 is an apocalyptic number.

12011513532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011513532 is an abundant number, since it is smaller than the sum of its proper divisors (16681983300).

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

12011513532 is a wasteful number, since it uses less digits than its factorization.

12011513532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098 (or 12096 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 12011513532 in words is "twelve billion, eleven million, five hundred thirteen thousand, five hundred thirty-two".