100212102122020 has 96 divisors (see below), whose sum is σ = 241065664761600. Its totient is φ = 34278926782464.

The previous prime is 100212102122009. The next prime is 100212102122057. The reversal of 100212102122020 is 20221201212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100212102121985 and 100212102122003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469157676 + ... + 1469225884.

It is an arithmetic number, because the mean of its divisors is an integer number (2511100674600).

Almost surely, 2^{100212102122020} is an apocalyptic number.

100212102122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212102122020 is an abundant number, since it is smaller than the sum of its proper divisors (140853562639580).

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

100212102122020 is a wasteful number, since it uses less digits than its factorization.

100212102122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92357 (or 92355 counting only the distinct ones).

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

Adding to 100212102122020 its reverse (20221201212001), we get a palindrome (120433303334021).

The spelling of 100212102122020 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, twenty".