12934286421 has 12 divisors (see below), whose sum is σ = 20061342432. Its totient is φ = 7391020728.

The previous prime is 12934286419. The next prime is 12934286459. The reversal of 12934286421 is 12468243921.

It is a happy number.

It is not a de Polignac number, because 12934286421 - 2¹ = 12934286419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12934286411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43994025 + ... + 43994318.

It is an arithmetic number, because the mean of its divisors is an integer number (1671778536).

Almost surely, 2^12934286421 is an apocalyptic number.

It is an amenable number.

12934286421 is a deficient number, since it is larger than the sum of its proper divisors (7127056011).

12934286421 is an equidigital number, since it uses as much as digits as its factorization.

12934286421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87988360 (or 87988353 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 12934286421 in words is "twelve billion, nine hundred thirty-four million, two hundred eighty-six thousand, four hundred twenty-one".