100022222012 has 12 divisors (see below), whose sum is σ = 175041485976. Its totient is φ = 50010368880.

The previous prime is 100022222011. The next prime is 100022222017. The reversal of 100022222012 is 210222220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022222011) 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, 212687 + ... + 495257.

It is an arithmetic number, because the mean of its divisors is an integer number (14586790498).

Almost surely, 2^100022222012 is an apocalyptic number.

It is an amenable number.

100022222012 is a deficient number, since it is larger than the sum of its proper divisors (75019263964).

100022222012 is a wasteful number, since it uses less digits than its factorization.

100022222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371068 (or 371066 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100022222012 its reverse (210222220001), we get a palindrome (310244442013).

The spelling of 100022222012 in words is "one hundred billion, twenty-two million, two hundred twenty-two thousand, twelve".