100012000220 has 24 divisors (see below), whose sum is σ = 229118401008. Its totient is φ = 36368000000.

The previous prime is 100012000199. The next prime is 100012000223. The reversal of 100012000220 is 22000210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012000198 and 100012000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227299781 + ... + 227300220.

It is an arithmetic number, because the mean of its divisors is an integer number (9546600042).

Almost surely, 2^100012000220 is an apocalyptic number.

100012000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012000220 is an abundant number, since it is smaller than the sum of its proper divisors (129106400788).

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

100012000220 is a wasteful number, since it uses less digits than its factorization.

100012000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454600021 (or 454600019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100012000220 its reverse (22000210001), we get a palindrome (122012210221).

The spelling of 100012000220 in words is "one hundred billion, twelve million, two hundred twenty", and thus it is an aban number.