12402321269 has 16 divisors (see below), whose sum is σ = 14137905600. Its totient is φ = 10785125376.

The previous prime is 12402321259. The next prime is 12402321277. The reversal of 12402321269 is 96212320421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12402321269 is a prime.

It is a super-2 number, since 2×12402321269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402321209) 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, 96044 + ... + 184469.

It is an arithmetic number, because the mean of its divisors is an integer number (883619100).

Almost surely, 2^12402321269 is an apocalyptic number.

12402321269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12402321269 is a deficient number, since it is larger than the sum of its proper divisors (1735584331).

12402321269 is a wasteful number, since it uses less digits than its factorization.

12402321269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280724.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12402321269 in words is "twelve billion, four hundred two million, three hundred twenty-one thousand, two hundred sixty-nine".