1312023000204 has 144 divisors (see below), whose sum is σ = 4165152700800. Its totient is φ = 355134017952.

The previous prime is 1312023000137. The next prime is 1312023000227. The reversal of 1312023000204 is 4020003202131.

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

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 47 ways as a sum of consecutive naturals, for example, 6423814 + ... + 6624909.

Almost surely, 2^{1312023000204} is an apocalyptic number.

1312023000204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312023000204 is an abundant number, since it is smaller than the sum of its proper divisors (2853129700596).

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

1312023000204 is a wasteful number, since it uses less digits than its factorization.

1312023000204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048769 (or 13048754 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1312023000204 its reverse (4020003202131), we get a palindrome (5332026202335).

The spelling of 1312023000204 in words is "one trillion, three hundred twelve billion, twenty-three million, two hundred four", and thus it is an aban number.