121341023199 has 24 divisors (see below), whose sum is σ = 202451335632. Its totient is φ = 69214129920.

The previous prime is 121341023189. The next prime is 121341023207. The reversal of 121341023199 is 991320143121.

It is a happy number.

121341023199 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 410 + 231 + 9 + 9 = 666.

It is not a de Polignac number, because 121341023199 - 2⁴ = 121341023183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341023189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36047344 + ... + 36050709.

It is an arithmetic number, because the mean of its divisors is an integer number (8435472318).

Almost surely, 2^121341023199 is an apocalyptic number.

121341023199 is a deficient number, since it is larger than the sum of its proper divisors (81110312433).

121341023199 is a wasteful number, since it uses less digits than its factorization.

121341023199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72098087 (or 72098084 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 121341023199 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-three thousand, one hundred ninety-nine".