121312333230 has 32 divisors (see below), whose sum is σ = 317617746048. Its totient is φ = 29409050400.

The previous prime is 121312333211. The next prime is 121312333237. The reversal of 121312333230 is 32333213121.

It is a self number, because there is not a number n which added to its sum of digits gives 121312333230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312333237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183806236 + ... + 183806895.

It is an arithmetic number, because the mean of its divisors is an integer number (9925554564).

Almost surely, 2^121312333230 is an apocalyptic number.

121312333230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312333230 is an abundant number, since it is smaller than the sum of its proper divisors (196305412818).

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

121312333230 is a wasteful number, since it uses less digits than its factorization.

121312333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367613152.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121312333230 its reverse (32333213121), we get a palindrome (153645546351).

The spelling of 121312333230 in words is "one hundred twenty-one billion, three hundred twelve million, three hundred thirty-three thousand, two hundred thirty".