100550280312 has 64 divisors (see below), whose sum is σ = 279438681600. Its totient is φ = 33500878560.

The previous prime is 100550280283. The next prime is 100550280317. The reversal of 100550280312 is 213082055001.

It is a happy number.

100550280312 is a `hidden beast` number, since 1 + 0 + 0 + 550 + 2 + 80 + 31 + 2 = 666.

It is a super-2 number, since 2×100550280312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550280317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 351073 + ... + 569519.

It is an arithmetic number, because the mean of its divisors is an integer number (4366229400).

Almost surely, 2^100550280312 is an apocalyptic number.

100550280312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100550280312 is an abundant number, since it is smaller than the sum of its proper divisors (178888401288).

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

100550280312 is a wasteful number, since it uses less digits than its factorization.

100550280312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220593 (or 220583 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 100550280312 in words is "one hundred billion, five hundred fifty million, two hundred eighty thousand, three hundred twelve".