100220211012012 has 96 divisors (see below), whose sum is σ = 295590587830272. Its totient is φ = 25717333614336.

The previous prime is 100220211012011. The next prime is 100220211012037. The reversal of 100220211012012 is 210210112022001.

It is a super-2 number, since 2×100220211012012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100220211011982 and 100220211012000.

It is not an unprimeable number, because it can be changed into a prime (100220211012011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240185948 + ... + 1240266755.

It is an arithmetic number, because the mean of its divisors is an integer number (3079068623232).

Almost surely, 2^{100220211012012} is an apocalyptic number.

100220211012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100220211012012 is an abundant number, since it is smaller than the sum of its proper divisors (195370376818260).

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

100220211012012 is a wasteful number, since it uses less digits than its factorization.

100220211012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480452767 (or 2480452765 counting only the distinct ones).

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

Adding to 100220211012012 its reverse (210210112022001), we get a palindrome (310430323034013).

The spelling of 100220211012012 in words is "one hundred trillion, two hundred twenty billion, two hundred eleven million, twelve thousand, twelve".