100423204220012 has 12 divisors (see below), whose sum is σ = 177004928302440. Its totient is φ = 49850367562176.

The previous prime is 100423204220011. The next prime is 100423204220063. The reversal of 100423204220012 is 210022402324001.

It is a self number, because there is not a number n which added to its sum of digits gives 100423204220012.

It is not an unprimeable number, because it can be changed into a prime (100423204220011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90308636333 + ... + 90308637444.

It is an arithmetic number, because the mean of its divisors is an integer number (14750410691870).

Almost surely, 2^{100423204220012} is an apocalyptic number.

It is an amenable number.

100423204220012 is a deficient number, since it is larger than the sum of its proper divisors (76581724082428).

100423204220012 is a wasteful number, since it uses less digits than its factorization.

100423204220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180617273920 (or 180617273918 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 100423204220012 its reverse (210022402324001), we get a palindrome (310445606544013).

The spelling of 100423204220012 in words is "one hundred trillion, four hundred twenty-three billion, two hundred four million, two hundred twenty thousand, twelve".