12311964954132 has 48 divisors (see below), whose sum is σ = 30419876773440. Its totient is φ = 3862312986112.

The previous prime is 12311964954059. The next prime is 12311964954167. The reversal of 12311964954132 is 23145946911321.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 935323 + ... + 5049629.

It is an arithmetic number, because the mean of its divisors is an integer number (633747432780).

Almost surely, 2^{12311964954132} is an apocalyptic number.

12311964954132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12311964954132 is an abundant number, since it is smaller than the sum of its proper divisors (18107911819308).

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

12311964954132 is a wasteful number, since it uses less digits than its factorization.

12311964954132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129000 (or 4128998 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 12311964954132 in words is "twelve trillion, three hundred eleven billion, nine hundred sixty-four million, nine hundred fifty-four thousand, one hundred thirty-two".