100550313012 has 12 divisors (see below), whose sum is σ = 234617397056. Its totient is φ = 33516771000.

The previous prime is 100550313011. The next prime is 100550313023. The reversal of 100550313012 is 210313055001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×100550313012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100550313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550313011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4189596364 + ... + 4189596387.

Almost surely, 2^100550313012 is an apocalyptic number.

100550313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100550313012 is an abundant number, since it is smaller than the sum of its proper divisors (134067084044).

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

100550313012 is a wasteful number, since it uses less digits than its factorization.

100550313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379192758 (or 8379192756 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 100550313012 its reverse (210313055001), we get a palindrome (310863368013).

The spelling of 100550313012 in words is "one hundred billion, five hundred fifty million, three hundred thirteen thousand, twelve".