12162044532 has 48 divisors (see below), whose sum is σ = 31482662400. Its totient is φ = 3623000160.

The previous prime is 12162044509. The next prime is 12162044597. The reversal of 12162044532 is 23544026121.

It is a self number, because there is not a number n which added to its sum of digits gives 12162044532.

It is a congruent number.

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, 773032 + ... + 788607.

It is an arithmetic number, because the mean of its divisors is an integer number (655888800).

Almost surely, 2^12162044532 is an apocalyptic number.

12162044532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12162044532 is an abundant number, since it is smaller than the sum of its proper divisors (19320617868).

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

12162044532 is a wasteful number, since it uses less digits than its factorization.

12162044532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561716 (or 1561714 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 12162044532 in words is "twelve billion, one hundred sixty-two million, forty-four thousand, five hundred thirty-two".