100212201012220 has 48 divisors (see below), whose sum is σ = 243081574229088. Its totient is φ = 34297223874560.

The previous prime is 100212201012163. The next prime is 100212201012223. The reversal of 100212201012220 is 22210102212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100212201012194 and 100212201012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212201012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13397349337 + ... + 13397356816.

It is an arithmetic number, because the mean of its divisors is an integer number (5064199463106).

Almost surely, 2^{100212201012220} is an apocalyptic number.

100212201012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212201012220 is an abundant number, since it is smaller than the sum of its proper divisors (142869373216868).

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

100212201012220 is a wasteful number, since it uses less digits than its factorization.

100212201012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794706190 (or 26794706188 counting only the distinct ones).

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

Adding to 100212201012220 its reverse (22210102212001), we get a palindrome (122422303224221).

The spelling of 100212201012220 in words is "one hundred trillion, two hundred twelve billion, two hundred one million, twelve thousand, two hundred twenty".