1312023000992 has 144 divisors (see below), whose sum is σ = 3045288197952. Its totient is φ = 550771415040.

The previous prime is 1312023000991. The next prime is 1312023001019. The reversal of 1312023000992 is 2990003202131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1312023000991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6712388 + ... + 6905084.

It is an arithmetic number, because the mean of its divisors is an integer number (21147834708).

Almost surely, 2^{1312023000992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312023000992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522644098976).

1312023000992 is an abundant number, since it is smaller than the sum of its proper divisors (1733265196960).

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

1312023000992 is a wasteful number, since it uses less digits than its factorization.

1312023000992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192799 (or 192762 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 1312023000992 in words is "one trillion, three hundred twelve billion, twenty-three million, nine hundred ninety-two", and thus it is an aban number.