123012203015051 has 8 divisors (see below), whose sum is σ = 141875148956640. Its totient is φ = 104471700594048.

The previous prime is 123012203014993. The next prime is 123012203015059. The reversal of 123012203015051 is 150510302210321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012203015051 is a prime.

It is a super-2 number, since 2×123012203015051² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123012203015051.

It is not an unprimeable number, because it can be changed into a prime (123012203015059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80610879326 + ... + 80610880851.

It is an arithmetic number, because the mean of its divisors is an integer number (17734393619580).

Almost surely, 2^{123012203015051} is an apocalyptic number.

123012203015051 is a deficient number, since it is larger than the sum of its proper divisors (18862945941589).

123012203015051 is a wasteful number, since it uses less digits than its factorization.

123012203015051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161221760293.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 123012203015051 its reverse (150510302210321), we get a palindrome (273522505225372).

The spelling of 123012203015051 in words is "one hundred twenty-three trillion, twelve billion, two hundred three million, fifteen thousand, fifty-one".