12051544332 has 48 divisors (see below), whose sum is σ = 28582025472. Its totient is φ = 3951393600.

The previous prime is 12051544313. The next prime is 12051544391. The reversal of 12051544332 is 23344515021.

It is a super-2 number, since 2×12051544332² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12051544332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552913 + ... + 574295.

It is an arithmetic number, because the mean of its divisors is an integer number (595458864).

Almost surely, 2^12051544332 is an apocalyptic number.

12051544332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12051544332 is an abundant number, since it is smaller than the sum of its proper divisors (16530481140).

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

12051544332 is a wasteful number, since it uses less digits than its factorization.

12051544332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22158 (or 22156 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 12051544332 in words is "twelve billion, fifty-one million, five hundred forty-four thousand, three hundred thirty-two".