121312333132230 has 128 divisors (see below), whose sum is σ = 294589254398976. Its totient is φ = 31969020608000.

The previous prime is 121312333132213. The next prime is 121312333132297. The reversal of 121312333132230 is 32231333213121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6690870265 + ... + 6690888395.

It is an arithmetic number, because the mean of its divisors is an integer number (2301478549992).

Almost surely, 2^{121312333132230} is an apocalyptic number.

121312333132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312333132230 is an abundant number, since it is smaller than the sum of its proper divisors (173276921266746).

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

121312333132230 is a wasteful number, since it uses less digits than its factorization.

121312333132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 121312333132230 its reverse (32231333213121), we get a palindrome (153543666345351).

The spelling of 121312333132230 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred thirty-three million, one hundred thirty-two thousand, two hundred thirty".