100012210212220 has 12 divisors (see below), whose sum is σ = 210025641445704. Its totient is φ = 40004884084880.

The previous prime is 100012210212203. The next prime is 100012210212221. The reversal of 100012210212220 is 22212012210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100012210212194 and 100012210212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012210212221) 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, 2500305255286 + ... + 2500305255325.

It is an arithmetic number, because the mean of its divisors is an integer number (17502136787142).

Almost surely, 2^{100012210212220} is an apocalyptic number.

100012210212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012210212220 is an abundant number, since it is smaller than the sum of its proper divisors (110013431233484).

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

100012210212220 is a wasteful number, since it uses less digits than its factorization.

100012210212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000610510620 (or 5000610510618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100012210212220 its reverse (22212012210001), we get a palindrome (122224222422221).

The spelling of 100012210212220 in words is "one hundred trillion, twelve billion, two hundred ten million, two hundred twelve thousand, two hundred twenty".