100220012112 has 80 divisors (see below), whose sum is σ = 290071737792. Its totient is φ = 29548892160.

The previous prime is 100220012083. The next prime is 100220012117. The reversal of 100220012112 is 211210022001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220012117) 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, 2545473 + ... + 2584544.

Almost surely, 2^100220012112 is an apocalyptic number.

100220012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100220012112 is an abundant number, since it is smaller than the sum of its proper divisors (189851725680).

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

100220012112 is a wasteful number, since it uses less digits than its factorization.

100220012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130076 (or 5130070 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100220012112 its reverse (211210022001), we get a palindrome (311430034113).

It can be divided in two parts, 10022001 and 2112, that multiplied together give a palindrome (21166466112).

The spelling of 100220012112 in words is "one hundred billion, two hundred twenty million, twelve thousand, one hundred twelve".