100220112012012 has 48 divisors (see below), whose sum is σ = 235925420986080. Its totient is φ = 33109799123968.

The previous prime is 100220112011983. The next prime is 100220112012017. The reversal of 100220112012012 is 210210211022001.

It is a junction number, because it is equal to n+sod(n) for n = 100220112011982 and 100220112012000.

It is not an unprimeable number, because it can be changed into a prime (100220112012017) 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, 34270378 + ... + 37079630.

It is an arithmetic number, because the mean of its divisors is an integer number (4915112937210).

Almost surely, 2^{100220112012012} is an apocalyptic number.

100220112012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100220112012012 is an abundant number, since it is smaller than the sum of its proper divisors (135705308974068).

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

100220112012012 is a wasteful number, since it uses less digits than its factorization.

100220112012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835682 (or 2835680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100220112012012 its reverse (210210211022001), we get a palindrome (310430323034013).

The spelling of 100220112012012 in words is "one hundred trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, twelve".