1210102011200 has 84 divisors (see below), whose sum is σ = 3050231994012. Its totient is φ = 472234905600.

The previous prime is 1210102011187. The next prime is 1210102011227. The reversal of 1210102011200 is 21102010121.

It can be written as a sum of positive squares in 6 ways, for example, as 15085734976 + 1195016276224 = 122824^2 + 1093168^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9157739 + ... + 9288938.

It is an arithmetic number, because the mean of its divisors is an integer number (36312285643).

Almost surely, 2^{1210102011200} is an apocalyptic number.

1210102011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210102011200 is an abundant number, since it is smaller than the sum of its proper divisors (1840129982812).

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

1210102011200 is a wasteful number, since it uses less digits than its factorization.

1210102011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18446740 (or 18446725 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1210102011200 its reverse (21102010121), we get a palindrome (1231204021321).

The spelling of 1210102011200 in words is "one trillion, two hundred ten billion, one hundred two million, eleven thousand, two hundred".