1200012112110 has 32 divisors (see below), whose sum is σ = 3291461793792. Its totient is φ = 274288482720.

The previous prime is 1200012112037. The next prime is 1200012112177. The reversal of 1200012112110 is 112112100021.

It is a congruent number.

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, 2857171486 + ... + 2857171905.

It is an arithmetic number, because the mean of its divisors is an integer number (102858181056).

Almost surely, 2^{1200012112110} is an apocalyptic number.

1200012112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200012112110 is an abundant number, since it is smaller than the sum of its proper divisors (2091449681682).

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

1200012112110 is a wasteful number, since it uses less digits than its factorization.

1200012112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714343408.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200012112110 its reverse (112112100021), we get a palindrome (1312124212131).

The spelling of 1200012112110 in words is "one trillion, two hundred billion, twelve million, one hundred twelve thousand, one hundred ten".