1210031020000 has 120 divisors (see below), whose sum is σ = 3247481841912. Its totient is φ = 440011200000.

The previous prime is 1210031019991. The next prime is 1210031020013. The reversal of 1210031020000 is 201300121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 2530071 + ... + 2970070.

Almost surely, 2^{1210031020000} is an apocalyptic number.

1210031020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210031020000 is an abundant number, since it is smaller than the sum of its proper divisors (2037450821912).

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

1210031020000 is an equidigital number, since it uses as much as digits as its factorization.

1210031020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500182 (or 5500159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1210031020000 its reverse (201300121), we get a palindrome (1210232320121).

The spelling of 1210031020000 in words is "one trillion, two hundred ten billion, thirty-one million, twenty thousand".