123132211031211 has 16 divisors (see below), whose sum is σ = 165650183346816. Its totient is φ = 81351374039936.

The previous prime is 123132211031117. The next prime is 123132211031237. The reversal of 123132211031211 is 112130112231321.

It is a cyclic number.

It is not a de Polignac number, because 123132211031211 - 2⁴² = 118734164520107 is a prime.

It is a super-2 number, since 2×123132211031211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123132211031311) 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, 20365965 + ... + 25710638.

It is an arithmetic number, because the mean of its divisors is an integer number (10353136459176).

Almost surely, 2^{123132211031211} is an apocalyptic number.

123132211031211 is a deficient number, since it is larger than the sum of its proper divisors (42517972315605).

123132211031211 is a wasteful number, since it uses less digits than its factorization.

123132211031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46084602.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 123132211031211 its reverse (112130112231321), we get a palindrome (235262323262532).

The spelling of 123132211031211 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, two hundred eleven million, thirty-one thousand, two hundred eleven".