121312302199 has 8 divisors (see below), whose sum is σ = 135568515600. Its totient is φ = 107594059200.

The previous prime is 121312302197. The next prime is 121312302217. The reversal of 121312302199 is 991203213121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121312302199 - 2¹ = 121312302197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312302197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134492124 + ... + 134493025.

It is an arithmetic number, because the mean of its divisors is an integer number (16946064450).

Almost surely, 2^121312302199 is an apocalyptic number.

121312302199 is a deficient number, since it is larger than the sum of its proper divisors (14256213401).

121312302199 is a wasteful number, since it uses less digits than its factorization.

121312302199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268985201.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 121312302199 in words is "one hundred twenty-one billion, three hundred twelve million, three hundred two thousand, one hundred ninety-nine".