1200111323210 has 32 divisors (see below), whose sum is σ = 2184633432720. Its totient is φ = 474615758848.

The previous prime is 1200111323197. The next prime is 1200111323261. The reversal of 1200111323210 is 123231110021.

It can be written as a sum of positive squares in 8 ways, for example, as 726055663921 + 474055659289 = 852089^2 + 688517^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14370134 + ... + 14453406.

Almost surely, 2^{1200111323210} is an apocalyptic number.

1200111323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200111323210 is a deficient number, since it is larger than the sum of its proper divisors (984522109510).

1200111323210 is a wasteful number, since it uses less digits than its factorization.

1200111323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99562.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1200111323210 its reverse (123231110021), we get a palindrome (1323342433231).

The spelling of 1200111323210 in words is "one trillion, two hundred billion, one hundred eleven million, three hundred twenty-three thousand, two hundred ten".