121231123213332 has 24 divisors (see below), whose sum is σ = 308588313634272. Its totient is φ = 36736704004000.

The previous prime is 121231123213331. The next prime is 121231123213379. The reversal of 121231123213332 is 233312321132121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121231123213332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231123213331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459208799919 + ... + 459208800182.

It is an arithmetic number, because the mean of its divisors is an integer number (12857846401428).

Almost surely, 2^{121231123213332} is an apocalyptic number.

121231123213332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121231123213332 is an abundant number, since it is smaller than the sum of its proper divisors (187357190420940).

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

121231123213332 is a wasteful number, since it uses less digits than its factorization.

121231123213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918417600119 (or 918417600117 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 121231123213332 its reverse (233312321132121), we get a palindrome (354543444345453).

The spelling of 121231123213332 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-two".