121130132312 has 64 divisors (see below), whose sum is σ = 260863303680. Its totient is φ = 51653832192.

The previous prime is 121130132309. The next prime is 121130132323. The reversal of 121130132312 is 213231031121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9280463 + ... + 9293505.

It is an arithmetic number, because the mean of its divisors is an integer number (4075989120).

Almost surely, 2^121130132312 is an apocalyptic number.

It is an amenable number.

121130132312 is an abundant number, since it is smaller than the sum of its proper divisors (139733171368).

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

121130132312 is a wasteful number, since it uses less digits than its factorization.

121130132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872 (or 13868 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121130132312 its reverse (213231031121), we get a palindrome (334361163433).

The spelling of 121130132312 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred thirty-two thousand, three hundred twelve".