1312300020000 has 120 divisors (see below), whose sum is σ = 4304606722416. Its totient is φ = 349946656000.

The previous prime is 1312300019971. The next prime is 1312300020023. The reversal of 1312300020000 is 200032131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10875834 + ... + 10995833.

Almost surely, 2^{1312300020000} is an apocalyptic number.

1312300020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312300020000 is an abundant number, since it is smaller than the sum of its proper divisors (2992306702416).

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

1312300020000 is an equidigital number, since it uses as much as digits as its factorization.

1312300020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871700 (or 21871677 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1312300020000 its reverse (200032131), we get a palindrome (1312500052131).

The spelling of 1312300020000 in words is "one trillion, three hundred twelve billion, three hundred million, twenty thousand".