129223010 has 64 divisors (see below), whose sum is σ = 275768064. Its totient is φ = 42681600.

The previous prime is 129223007. The next prime is 129223019. The reversal of 129223010 is 10322921.

It is not an unprimeable number, because it can be changed into a prime (129223019) 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, 226025 + ... + 226595.

It is an arithmetic number, because the mean of its divisors is an integer number (4308876).

Almost surely, 2^129223010 is an apocalyptic number.

129223010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129223010 is an abundant number, since it is smaller than the sum of its proper divisors (146545054).

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

129223010 is a wasteful number, since it uses less digits than its factorization.

129223010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 129223010 is about 11367.6299200845. The cubic root of 129223010 is about 505.5684348492.

Adding to 129223010 its reverse (10322921), we get a palindrome (139545931).

The spelling of 129223010 in words is "one hundred twenty-nine million, two hundred twenty-three thousand, ten".