12492129379 has 2 divisors, whose sum is σ = 12492129380. Its totient is φ = 12492129378.

The previous prime is 12492129359. The next prime is 12492129469. The reversal of 12492129379 is 97392129421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12492129379 - 2⁵ = 12492129347 is a prime.

It is not a weakly prime, because it can be changed into another prime (12492129359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246064689 + 6246064690.

It is an arithmetic number, because the mean of its divisors is an integer number (6246064690).

Almost surely, 2^12492129379 is an apocalyptic number.

12492129379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12492129379 is an equidigital number, since it uses as much as digits as its factorization.

12492129379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The spelling of 12492129379 in words is "twelve billion, four hundred ninety-two million, one hundred twenty-nine thousand, three hundred seventy-nine".