1321312242300 has 72 divisors (see below), whose sum is σ = 3823530861696. Its totient is φ = 352300704960.

The previous prime is 1321312242293. The next prime is 1321312242307. The reversal of 1321312242300 is 32422131231.

It is an interprime number because it is at equal distance from previous prime (1321312242293) and next prime (1321312242307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321312242307) 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, 1868857 + ... + 2476943.

Almost surely, 2^{1321312242300} is an apocalyptic number.

1321312242300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321312242300 is an abundant number, since it is smaller than the sum of its proper divisors (2502218619396).

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

1321312242300 is a wasteful number, since it uses less digits than its factorization.

1321312242300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615347 (or 615340 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1321312242300 its reverse (32422131231), we get a palindrome (1353734373531).

The spelling of 1321312242300 in words is "one trillion, three hundred twenty-one billion, three hundred twelve million, two hundred forty-two thousand, three hundred".