121815014330 has 32 divisors (see below), whose sum is σ = 226679390784. Its totient is φ = 47102178816.

The previous prime is 121815014303. The next prime is 121815014357. The reversal of 121815014330 is 33410518121.

It is an interprime number because it is at equal distance from previous prime (121815014303) and next prime (121815014357).

It is a junction number, because it is equal to n+sod(n) for n = 121815014293 and 121815014302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418552 + ... + 1501971.

It is an arithmetic number, because the mean of its divisors is an integer number (7083730962).

Almost surely, 2^121815014330 is an apocalyptic number.

121815014330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121815014330 is a deficient number, since it is larger than the sum of its proper divisors (104864376454).

121815014330 is a wasteful number, since it uses less digits than its factorization.

121815014330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920670.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 121815014330 in words is "one hundred twenty-one billion, eight hundred fifteen million, fourteen thousand, three hundred thirty".