12312004001044 has 24 divisors (see below), whose sum is σ = 23903120253600. Its totient is φ = 5501511802080.

The previous prime is 12312004001029. The next prime is 12312004001113. The reversal of 12312004001044 is 44010040021321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371338699 + ... + 2371343890.

It is an arithmetic number, because the mean of its divisors is an integer number (995963343900).

Almost surely, 2^{12312004001044} is an apocalyptic number.

It is an amenable number.

12312004001044 is a deficient number, since it is larger than the sum of its proper divisors (11591116252556).

12312004001044 is a wasteful number, since it uses less digits than its factorization.

12312004001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742682663 (or 4742682661 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12312004001044 its reverse (44010040021321), we get a palindrome (56322044022365).

The spelling of 12312004001044 in words is "twelve trillion, three hundred twelve billion, four million, one thousand, forty-four".