1200031111210 has 16 divisors (see below), whose sum is σ = 2180243441376. Its totient is φ = 475526346448.

The previous prime is 1200031111199. The next prime is 1200031111289. The reversal of 1200031111210 is 121111300021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560761132 + ... + 560763271.

It is an arithmetic number, because the mean of its divisors is an integer number (136265215086).

Almost surely, 2^{1200031111210} is an apocalyptic number.

1200031111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200031111210 is a deficient number, since it is larger than the sum of its proper divisors (980212330166).

1200031111210 is a wasteful number, since it uses less digits than its factorization.

1200031111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121524517.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1200031111210 its reverse (121111300021), we get a palindrome (1321142411231).

The spelling of 1200031111210 in words is "one trillion, two hundred billion, thirty-one million, one hundred eleven thousand, two hundred ten".