100122220312 has 32 divisors (see below), whose sum is σ = 189625788720. Its totient is φ = 49555542400.

The previous prime is 100122220309. The next prime is 100122220349. The reversal of 100122220312 is 213022221001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604258 + ... + 5622094.

Almost surely, 2^100122220312 is an apocalyptic number.

It is an amenable number.

100122220312 is a deficient number, since it is larger than the sum of its proper divisors (89503568408).

100122220312 is a wasteful number, since it uses less digits than its factorization.

100122220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24891 (or 24887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100122220312 its reverse (213022221001), we get a palindrome (313144441313).

The spelling of 100122220312 in words is "one hundred billion, one hundred twenty-two million, two hundred twenty thousand, three hundred twelve".