100022212012 has 24 divisors (see below), whose sum is σ = 187001474240. Its totient is φ = 46671791760.

The previous prime is 100022212007. The next prime is 100022212013. The reversal of 100022212012 is 210212220001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100022211983 and 100022212001.

It is not an unprimeable number, because it can be changed into a prime (100022212013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9816414 + ... + 9826597.

Almost surely, 2^100022212012 is an apocalyptic number.

It is an amenable number.

100022212012 is a deficient number, since it is larger than the sum of its proper divisors (86979262228).

100022212012 is a wasteful number, since it uses less digits than its factorization.

100022212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19643101 (or 19643099 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100022212012 its reverse (210212220001), we get a palindrome (310234432013).

The spelling of 100022212012 in words is "one hundred billion, twenty-two million, two hundred twelve thousand, twelve".