123031212151332 has 48 divisors (see below), whose sum is σ = 287425457024832. Its totient is φ = 40960052198400.

The previous prime is 123031212151301. The next prime is 123031212151361. The reversal of 123031212151332 is 233151212130321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123031212151332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40160332 + ... + 43115132.

It is an arithmetic number, because the mean of its divisors is an integer number (5988030354684).

Almost surely, 2^{123031212151332} is an apocalyptic number.

123031212151332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123031212151332 is an abundant number, since it is smaller than the sum of its proper divisors (164394244873500).

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

123031212151332 is a wasteful number, since it uses less digits than its factorization.

123031212151332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959068 (or 2959066 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 123031212151332 its reverse (233151212130321), we get a palindrome (356182424281653).

The spelling of 123031212151332 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred twelve million, one hundred fifty-one thousand, three hundred thirty-two".