129297352270 has 16 divisors (see below), whose sum is σ = 234163060560. Its totient is φ = 51401646144.

The previous prime is 129297352229. The next prime is 129297352277. The reversal of 129297352270 is 72253792921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129297352277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39660135 + ... + 39663394.

It is an arithmetic number, because the mean of its divisors is an integer number (14635191285).

Almost surely, 2^129297352270 is an apocalyptic number.

129297352270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129297352270 is a deficient number, since it is larger than the sum of its proper divisors (104865708290).

129297352270 is a wasteful number, since it uses less digits than its factorization.

129297352270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79323699.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 129297352270 in words is "one hundred twenty-nine billion, two hundred ninety-seven million, three hundred fifty-two thousand, two hundred seventy".