121320323202299 has 16 divisors (see below), whose sum is σ = 132126636620160. Its totient is φ = 110726800865280.

The previous prime is 121320323202263. The next prime is 121320323202319. The reversal of 121320323202299 is 992202323023121.

It is a cyclic number.

It is not a de Polignac number, because 121320323202299 - 2²⁸ = 121320054766843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121320323207299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44988962 + ... + 47609319.

It is an arithmetic number, because the mean of its divisors is an integer number (8257914788760).

Almost surely, 2^{121320323202299} is an apocalyptic number.

121320323202299 is a deficient number, since it is larger than the sum of its proper divisors (10806313417861).

121320323202299 is a wasteful number, since it uses less digits than its factorization.

121320323202299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92599430.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 121320323202299 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty-three million, two hundred two thousand, two hundred ninety-nine".