12031111323000 has 384 divisors, whose sum is σ = 50699418531840. Its totient is φ = 2499971040000.

The previous prime is 12031111322947. The next prime is 12031111323017. The reversal of 12031111323000 is 32311113021.

12031111323000 is a `hidden beast` number, since 1 + 20 + 311 + 1 + 1 + 32 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7987456 + ... + 9373455.

It is an arithmetic number, because the mean of its divisors is an integer number (132029735760).

Almost surely, 2^{12031111323000} is an apocalyptic number.

12031111323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031111323000 is an abundant number, since it is smaller than the sum of its proper divisors (38668307208840).

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

12031111323000 is a wasteful number, since it uses less digits than its factorization.

12031111323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360956 (or 17360939 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12031111323000 its reverse (32311113021), we get a palindrome (12063422436021).

The spelling of 12031111323000 in words is "twelve trillion, thirty-one billion, one hundred eleven million, three hundred twenty-three thousand".