172100263112 has 32 divisors (see below), whose sum is σ = 323997537600. Its totient is φ = 85701088704.

The previous prime is 172100263103. The next prime is 172100263141. The reversal of 172100263112 is 211362001271.

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, 11010839 + ... + 11026457.

It is an arithmetic number, because the mean of its divisors is an integer number (10124923050).

Almost surely, 2^172100263112 is an apocalyptic number.

It is an amenable number.

172100263112 is a deficient number, since it is larger than the sum of its proper divisors (151897274488).

172100263112 is a wasteful number, since it uses less digits than its factorization.

172100263112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125 (or 21121 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 172100263112 its reverse (211362001271), we get a palindrome (383462264383).

The spelling of 172100263112 in words is "one hundred seventy-two billion, one hundred million, two hundred sixty-three thousand, one hundred twelve".