100000220120012 has 12 divisors (see below), whose sum is σ = 175000683316536. Its totient is φ = 50000024886720.

The previous prime is 100000220120011. The next prime is 100000220120111. The reversal of 100000220120012 is 210021022000001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100000220119975 and 100000220120002.

It is not an unprimeable number, because it can be changed into a prime (100000220120011) 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, 18614189 + ... + 23377092.

It is an arithmetic number, because the mean of its divisors is an integer number (14583390276378).

Almost surely, 2^{100000220120012} is an apocalyptic number.

It is an amenable number.

100000220120012 is a deficient number, since it is larger than the sum of its proper divisors (75000463196524).

100000220120012 is a wasteful number, since it uses less digits than its factorization.

100000220120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42586648 (or 42586646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100000220120012 its reverse (210021022000001), we get a palindrome (310021242120013).

The spelling of 100000220120012 in words is "one hundred trillion, two hundred twenty million, one hundred twenty thousand, twelve".