100320212212 has 12 divisors (see below), whose sum is σ = 191520405216. Its totient is φ = 45600096440.

The previous prime is 100320212207. The next prime is 100320212221. The reversal of 100320212212 is 212212023001.

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 3 ways as a sum of consecutive naturals, for example, 1140002368 + ... + 1140002455.

It is an arithmetic number, because the mean of its divisors is an integer number (15960033768).

Almost surely, 2^100320212212 is an apocalyptic number.

It is an amenable number.

100320212212 is a deficient number, since it is larger than the sum of its proper divisors (91200193004).

100320212212 is a wasteful number, since it uses less digits than its factorization.

100320212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280004838 (or 2280004836 counting only the distinct ones).

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

Adding to 100320212212 its reverse (212212023001), we get a palindrome (312532235213).

The spelling of 100320212212 in words is "one hundred billion, three hundred twenty million, two hundred twelve thousand, two hundred twelve".