1200110312123 has 16 divisors (see below), whose sum is σ = 1236715699296. Its totient is φ = 1164137149440.

The previous prime is 1200110312059. The next prime is 1200110312161. The reversal of 1200110312123 is 3212130110021.

It is a cyclic number.

It is not a de Polignac number, because 1200110312123 - 2⁶ = 1200110312059 is a prime.

It is a super-2 number, since 2×1200110312123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200110302123) 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, 1316165 + ... + 2032857.

It is an arithmetic number, because the mean of its divisors is an integer number (77294731206).

Almost surely, 2^{1200110312123} is an apocalyptic number.

1200110312123 is a deficient number, since it is larger than the sum of its proper divisors (36605387173).

1200110312123 is an equidigital number, since it uses as much as digits as its factorization.

1200110312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717134.

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

Adding to 1200110312123 its reverse (3212130110021), we get a palindrome (4412240422144).

The spelling of 1200110312123 in words is "one trillion, two hundred billion, one hundred ten million, three hundred twelve thousand, one hundred twenty-three".