129106572630 has 64 divisors (see below), whose sum is σ = 372758837760. Its totient is φ = 27956911104.

The previous prime is 129106572613. The next prime is 129106572631. The reversal of 129106572630 is 36275601921.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129106572631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16174779 + ... + 16182758.

It is an arithmetic number, because the mean of its divisors is an integer number (5824356840).

Almost surely, 2^129106572630 is an apocalyptic number.

129106572630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129106572630 is an abundant number, since it is smaller than the sum of its proper divisors (243652265130).

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

129106572630 is a wasteful number, since it uses less digits than its factorization.

129106572630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32357573.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 129106572630 in words is "one hundred twenty-nine billion, one hundred six million, five hundred seventy-two thousand, six hundred thirty".