100550000012 has 48 divisors (see below), whose sum is σ = 221056577280. Its totient is φ = 38876260800.

The previous prime is 100549999987. The next prime is 100550000021. The reversal of 100550000012 is 210000055001.

It is a super-2 number, since 2×100550000012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205687 + ... + 1286382.

It is an arithmetic number, because the mean of its divisors is an integer number (4605345360).

Almost surely, 2^100550000012 is an apocalyptic number.

It is an amenable number.

100550000012 is an abundant number, since it is smaller than the sum of its proper divisors (120506577268).

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

100550000012 is a wasteful number, since it uses less digits than its factorization.

100550000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492222 (or 2492220 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

Adding to 100550000012 its reverse (210000055001), we get a palindrome (310550055013).

The spelling of 100550000012 in words is "one hundred billion, five hundred fifty million, twelve", and thus it is an aban number.