129452297370 has 32 divisors (see below), whose sum is σ = 338929652160. Its totient is φ = 31382375040.

The previous prime is 129452297341. The next prime is 129452297393. The reversal of 129452297370 is 73792254921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196139515 + ... + 196140174.

It is an arithmetic number, because the mean of its divisors is an integer number (10591551630).

Almost surely, 2^129452297370 is an apocalyptic number.

129452297370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129452297370 is an abundant number, since it is smaller than the sum of its proper divisors (209477354790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129452297370 is a wasteful number, since it uses less digits than its factorization.

129452297370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392279710.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 129452297370 in words is "one hundred twenty-nine billion, four hundred fifty-two million, two hundred ninety-seven thousand, three hundred seventy".