121312320333030 has 48 divisors (see below), whose sum is σ = 315501869071584. Its totient is φ = 32340738119040.

The previous prime is 121312320332999. The next prime is 121312320333049. The reversal of 121312320333030 is 30333023213121.

121312320333030 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 2 + 320 + 3 + 330 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121312320332985 and 121312320333003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191639959 + ... + 192271938.

It is an arithmetic number, because the mean of its divisors is an integer number (6572955605658).

Almost surely, 2^{121312320333030} is an apocalyptic number.

121312320333030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312320333030 is an abundant number, since it is smaller than the sum of its proper divisors (194189548738554).

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

121312320333030 is a wasteful number, since it uses less digits than its factorization.

121312320333030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383915421 (or 383915418 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 121312320333030 its reverse (30333023213121), we get a palindrome (151645343546151).

The spelling of 121312320333030 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred twenty million, three hundred thirty-three thousand, thirty".