123123221013132 has 72 divisors (see below), whose sum is σ = 311868863329296. Its totient is φ = 40956653372544.

The previous prime is 123123221013077. The next prime is 123123221013151. The reversal of 123123221013132 is 231310122321321.

123123221013132 is a `hidden beast` number, since 1 + 2 + 3 + 12 + 322 + 10 + 1 + 313 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123123221013096 and 123123221013105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40526958 + ... + 43458954.

Almost surely, 2^{123123221013132} is an apocalyptic number.

123123221013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123123221013132 is an abundant number, since it is smaller than the sum of its proper divisors (188745642316164).

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

123123221013132 is a wasteful number, since it uses less digits than its factorization.

123123221013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934407 (or 2934402 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 123123221013132 its reverse (231310122321321), we get a palindrome (354433343334453).

The spelling of 123123221013132 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred twenty-one million, thirteen thousand, one hundred thirty-two".