1200123110319 has 16 divisors (see below), whose sum is σ = 1828828911360. Its totient is φ = 685758427200.

The previous prime is 1200123110297. The next prime is 1200123110323. The reversal of 1200123110319 is 9130113210021.

It is not a de Polignac number, because 1200123110319 - 2⁵ = 1200123110287 is a prime.

It is a super-2 number, since 2×1200123110319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123110339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522457 + ... + 1634994.

It is an arithmetic number, because the mean of its divisors is an integer number (114301806960).

Almost surely, 2^{1200123110319} is an apocalyptic number.

1200123110319 is a deficient number, since it is larger than the sum of its proper divisors (628705801041).

1200123110319 is a wasteful number, since it uses less digits than its factorization.

1200123110319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183950.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 1200123110319 in words is "one trillion, two hundred billion, one hundred twenty-three million, one hundred ten thousand, three hundred nineteen".