121611646234430 has 32 divisors (see below), whose sum is σ = 240013238905440. Its totient is φ = 43997937531520.

The previous prime is 121611646234417. The next prime is 121611646234459. The reversal of 121611646234430 is 34432646116121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2805969245 + ... + 2806012584.

It is an arithmetic number, because the mean of its divisors is an integer number (7500413715795).

Almost surely, 2^{121611646234430} is an apocalyptic number.

121611646234430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121611646234430 is a deficient number, since it is larger than the sum of its proper divisors (118401592671010).

121611646234430 is a wasteful number, since it uses less digits than its factorization.

121611646234430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611982044.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 121611646234430 in words is "one hundred twenty-one trillion, six hundred eleven billion, six hundred forty-six million, two hundred thirty-four thousand, four hundred thirty".