100617785412 has 48 divisors (see below), whose sum is σ = 239675201472. Its totient is φ = 32844055680.

The previous prime is 100617785363. The next prime is 100617785419. The reversal of 100617785412 is 214587716001.

It is not an unprimeable number, because it can be changed into a prime (100617785419) 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, 136603 + ... + 468930.

It is an arithmetic number, because the mean of its divisors is an integer number (4993233364).

Almost surely, 2^100617785412 is an apocalyptic number.

100617785412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100617785412 is an abundant number, since it is smaller than the sum of its proper divisors (139057416060).

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

100617785412 is a wasteful number, since it uses less digits than its factorization.

100617785412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605828 (or 605826 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 100617785412 in words is "one hundred billion, six hundred seventeen million, seven hundred eighty-five thousand, four hundred twelve".