100512913209 has 16 divisors (see below), whose sum is σ = 138350284800. Its totient is φ = 64842385680.

The previous prime is 100512913183. The next prime is 100512913211. The reversal of 100512913209 is 902319215001.

It is not a de Polignac number, because 100512913209 - 2⁸ = 100512912953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100512913209.

It is not an unprimeable number, because it can be changed into a prime (100512913309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662814 + ... + 1722200.

It is an arithmetic number, because the mean of its divisors is an integer number (8646892800).

Almost surely, 2^100512913209 is an apocalyptic number.

It is an amenable number.

100512913209 is a deficient number, since it is larger than the sum of its proper divisors (37837371591).

100512913209 is a wasteful number, since it uses less digits than its factorization.

100512913209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77620.

The product of its (nonzero) digits is 4860, while the sum is 33.

The spelling of 100512913209 in words is "one hundred billion, five hundred twelve million, nine hundred thirteen thousand, two hundred nine".