1200012110122 has 16 divisors (see below), whose sum is σ = 2062768976640. Its totient is φ = 512889564528.

The previous prime is 1200012110119. The next prime is 1200012110159. The reversal of 1200012110122 is 2210112100021.

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, 116772997 + ... + 116783272.

It is an arithmetic number, because the mean of its divisors is an integer number (128923061040).

Almost surely, 2^{1200012110122} is an apocalyptic number.

1200012110122 is a deficient number, since it is larger than the sum of its proper divisors (862756866518).

1200012110122 is a wasteful number, since it uses less digits than its factorization.

1200012110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233556645.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200012110122 its reverse (2210112100021), we get a palindrome (3410124210143).

The spelling of 1200012110122 in words is "one trillion, two hundred billion, twelve million, one hundred ten thousand, one hundred twenty-two".