123212131030131 has 64 divisors (see below), whose sum is σ = 193135265326080. Its totient is φ = 68882863104000.

The previous prime is 123212131030123. The next prime is 123212131030139. The reversal of 123212131030131 is 131030131212321.

It is an interprime number because it is at equal distance from previous prime (123212131030123) and next prime (123212131030139).

It is not a de Polignac number, because 123212131030131 - 2³ = 123212131030123 is a prime.

It is a super-2 number, since 2×123212131030131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123212131030139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4430642755 + ... + 4430670563.

It is an arithmetic number, because the mean of its divisors is an integer number (3017738520720).

Almost surely, 2^{123212131030131} is an apocalyptic number.

123212131030131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123212131030131 is a deficient number, since it is larger than the sum of its proper divisors (69923134295949).

123212131030131 is a wasteful number, since it uses less digits than its factorization.

123212131030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34508.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 123212131030131 its reverse (131030131212321), we get a palindrome (254242262242452).

The spelling of 123212131030131 in words is "one hundred twenty-three trillion, two hundred twelve billion, one hundred thirty-one million, thirty thousand, one hundred thirty-one".