12900170830 has 16 divisors (see below), whose sum is σ = 23222672640. Its totient is φ = 5159542752.

The previous prime is 12900170713. The next prime is 12900170851. The reversal of 12900170830 is 3807100921.

It is a junction number, because it is equal to n+sod(n) for n = 12900170792 and 12900170801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46516 + ... + 167224.

It is an arithmetic number, because the mean of its divisors is an integer number (1451417040).

Almost surely, 2^12900170830 is an apocalyptic number.

12900170830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12900170830 is a deficient number, since it is larger than the sum of its proper divisors (10322501810).

12900170830 is a wasteful number, since it uses less digits than its factorization.

12900170830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131403.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 12900170830 in words is "twelve billion, nine hundred million, one hundred seventy thousand, eight hundred thirty".