121222312130332 has 24 divisors (see below), whose sum is σ = 244668886874720. Its totient is φ = 51475791781440.

The previous prime is 121222312130323. The next prime is 121222312130389. The reversal of 121222312130332 is 233031213222121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 121222312130332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19859484519 + ... + 19859490622.

Almost surely, 2^{121222312130332} is an apocalyptic number.

It is an amenable number.

121222312130332 is an abundant number, since it is smaller than the sum of its proper divisors (123446574744388).

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

121222312130332 is a wasteful number, since it uses less digits than its factorization.

121222312130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39718975261 (or 39718975259 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121222312130332 its reverse (233031213222121), we get a palindrome (354253525352453).

The spelling of 121222312130332 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, three hundred twelve million, one hundred thirty thousand, three hundred thirty-two".