12354202399 has 16 divisors (see below), whose sum is σ = 15663709440. Its totient is φ = 9463484160.

The previous prime is 12354202387. The next prime is 12354202403. The reversal of 12354202399 is 99320245321.

It is a cyclic number.

It is not a de Polignac number, because 12354202399 - 2⁷ = 12354202271 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 (12354202099) 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, 1355154 + ... + 1364239.

It is an arithmetic number, because the mean of its divisors is an integer number (978981840).

Almost surely, 2^12354202399 is an apocalyptic number.

12354202399 is a deficient number, since it is larger than the sum of its proper divisors (3309507041).

12354202399 is a wasteful number, since it uses less digits than its factorization.

12354202399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719470.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 12354202399 in words is "twelve billion, three hundred fifty-four million, two hundred two thousand, three hundred ninety-nine".