123011022312201 has 32 divisors (see below), whose sum is σ = 176147531808768. Its totient is φ = 76079462170880.

The previous prime is 123011022312187. The next prime is 123011022312209. The reversal of 123011022312201 is 102213220110321.

It is not a de Polignac number, because 123011022312201 - 2¹⁵ = 123011022279433 is a prime.

It is a super-2 number, since 2×123011022312201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123011022312209) 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, 12622360 + ... + 20133206.

It is an arithmetic number, because the mean of its divisors is an integer number (5504610369024).

Almost surely, 2^{123011022312201} is an apocalyptic number.

It is an amenable number.

123011022312201 is a deficient number, since it is larger than the sum of its proper divisors (53136509496567).

123011022312201 is a wasteful number, since it uses less digits than its factorization.

123011022312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515461.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123011022312201 its reverse (102213220110321), we get a palindrome (225224242422522).

The spelling of 123011022312201 in words is "one hundred twenty-three trillion, eleven billion, twenty-two million, three hundred twelve thousand, two hundred one".