129302506496 has 44 divisors (see below), whose sum is σ = 258524800560. Its totient is φ = 64639733760.

The previous prime is 129302506483. The next prime is 129302506499. The reversal of 129302506496 is 694605203921.

It is a happy number.

It is a super-2 number, since 2×129302506496² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129302506496.

It is not an unprimeable number, because it can be changed into a prime (129302506499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10962170 + ... + 10973958.

Almost surely, 2^129302506496 is an apocalyptic number.

129302506496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129302506496 is a deficient number, since it is larger than the sum of its proper divisors (129222294064).

129302506496 is a wasteful number, since it uses less digits than its factorization.

129302506496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22520 (or 22502 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 129302506496 in words is "one hundred twenty-nine billion, three hundred two million, five hundred six thousand, four hundred ninety-six".