1210021312300 has 18 divisors (see below), whose sum is σ = 2625746247908. Its totient is φ = 484008524880.

The previous prime is 1210021312249. The next prime is 1210021312321. The reversal of 1210021312300 is 32131200121.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6050106462 + ... + 6050106661.

Almost surely, 2^{1210021312300} is an apocalyptic number.

1210021312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210021312300 is an abundant number, since it is smaller than the sum of its proper divisors (1415724935608).

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

1210021312300 is a wasteful number, since it uses less digits than its factorization.

1210021312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100213137 (or 12100213130 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1210021312300 its reverse (32131200121), we get a palindrome (1242152512421).

The spelling of 1210021312300 in words is "one trillion, two hundred ten billion, twenty-one million, three hundred twelve thousand, three hundred".