1312220330300 has 72 divisors (see below), whose sum is σ = 3120313953792. Its totient is φ = 475031160000.

The previous prime is 1312220330261. The next prime is 1312220330329. The reversal of 1312220330300 is 30330222131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2429426 + ... + 2920025.

Almost surely, 2^{1312220330300} is an apocalyptic number.

1312220330300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312220330300 is an abundant number, since it is smaller than the sum of its proper divisors (1808093623492).

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

1312220330300 is a wasteful number, since it uses less digits than its factorization.

1312220330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349699 (or 5349692 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1312220330300 its reverse (30330222131), we get a palindrome (1342550552431).

The spelling of 1312220330300 in words is "one trillion, three hundred twelve billion, two hundred twenty million, three hundred thirty thousand, three hundred".