123012240010115 has 32 divisors (see below), whose sum is σ = 156250572878400. Its totient is φ = 92710369013760.

The previous prime is 123012240010081. The next prime is 123012240010117. The reversal of 123012240010115 is 511010042210321.

It is a de Polignac number, because none of the positive numbers 2^k-123012240010115 is a prime.

It is a super-2 number, since 2×123012240010115² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123012240010117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345252299 + ... + 345608411.

It is an arithmetic number, because the mean of its divisors is an integer number (4882830402450).

Almost surely, 2^{123012240010115} is an apocalyptic number.

123012240010115 is a deficient number, since it is larger than the sum of its proper divisors (33238332868285).

123012240010115 is a wasteful number, since it uses less digits than its factorization.

123012240010115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376407.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 123012240010115 its reverse (511010042210321), we get a palindrome (634022282220436).

The spelling of 123012240010115 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty million, ten thousand, one hundred fifteen".