129822831816 has 32 divisors (see below), whose sum is σ = 324566460960. Its totient is φ = 43273026432.

The previous prime is 129822831797. The next prime is 129822831821. The reversal of 129822831816 is 618138228921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187811 + ... + 1292493.

It is an arithmetic number, because the mean of its divisors is an integer number (10142701905).

Almost surely, 2^129822831816 is an apocalyptic number.

It is an amenable number.

129822831816 is an abundant number, since it is smaller than the sum of its proper divisors (194743629144).

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

129822831816 is a wasteful number, since it uses less digits than its factorization.

129822831816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156365 (or 156361 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The spelling of 129822831816 in words is "one hundred twenty-nine billion, eight hundred twenty-two million, eight hundred thirty-one thousand, eight hundred sixteen".