123132301311021 has 32 divisors (see below), whose sum is σ = 169370038688640. Its totient is φ = 79511345369856.

The previous prime is 123132301310983. The next prime is 123132301311059. The reversal of 123132301311021 is 120113103231321.

It is an interprime number because it is at equal distance from previous prime (123132301310983) and next prime (123132301311059).

It is not a de Polignac number, because 123132301311021 - 2¹⁵ = 123132301278253 is a prime.

It is a super-2 number, since 2×123132301311021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123132301310982 and 123132301311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132301311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323061855 + ... + 323442771.

It is an arithmetic number, because the mean of its divisors is an integer number (5292813709020).

Almost surely, 2^{123132301311021} is an apocalyptic number.

It is an amenable number.

123132301311021 is a deficient number, since it is larger than the sum of its proper divisors (46237737377619).

123132301311021 is a wasteful number, since it uses less digits than its factorization.

123132301311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394013.

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

Adding to 123132301311021 its reverse (120113103231321), we get a palindrome (243245404542342).

The spelling of 123132301311021 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, three hundred one million, three hundred eleven thousand, twenty-one".