123013234211232 has 48 divisors (see below), whose sum is σ = 322980445956672. Its totient is φ = 40995432844800.

The previous prime is 123013234211177. The next prime is 123013234211239. The reversal of 123013234211232 is 232112432310321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×123013234211232² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123013234211232.

It is not an unprimeable number, because it can be changed into a prime (123013234211239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139849269 + ... + 140726132.

It is an arithmetic number, because the mean of its divisors is an integer number (6728759290764).

Almost surely, 2^{123013234211232} is an apocalyptic number.

123013234211232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123013234211232 is an abundant number, since it is smaller than the sum of its proper divisors (199967211745440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123013234211232 is a wasteful number, since it uses less digits than its factorization.

123013234211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280579981 (or 280579973 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 123013234211232 its reverse (232112432310321), we get a palindrome (355125666521553).

The spelling of 123013234211232 in words is "one hundred twenty-three trillion, thirteen billion, two hundred thirty-four million, two hundred eleven thousand, two hundred thirty-two".