121163340232 has 64 divisors (see below), whose sum is σ = 253717868160. Its totient is φ = 53781696000.

The previous prime is 121163340211. The next prime is 121163340289. The reversal of 121163340232 is 232043361121.

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 121163340232.

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, 555453 + ... + 742195.

It is an arithmetic number, because the mean of its divisors is an integer number (3964341690).

Almost surely, 2^121163340232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121163340232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126858934080).

121163340232 is an abundant number, since it is smaller than the sum of its proper divisors (132554527928).

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

121163340232 is a wasteful number, since it uses less digits than its factorization.

121163340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186934 (or 186930 counting only the distinct ones).

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

The spelling of 121163340232 in words is "one hundred twenty-one billion, one hundred sixty-three million, three hundred forty thousand, two hundred thirty-two".