100321023212 has 24 divisors (see below), whose sum is σ = 183656289600. Its totient is φ = 47886667136.

The previous prime is 100321023199. The next prime is 100321023217. The reversal of 100321023212 is 212320123001.

It is not an unprimeable number, because it can be changed into a prime (100321023217) 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, 4848308 + ... + 4868955.

It is an arithmetic number, because the mean of its divisors is an integer number (7652345400).

Almost surely, 2^100321023212 is an apocalyptic number.

It is an amenable number.

100321023212 is a deficient number, since it is larger than the sum of its proper divisors (83335266388).

100321023212 is a wasteful number, since it uses less digits than its factorization.

100321023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717385 (or 9717383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100321023212 its reverse (212320123001), we get a palindrome (312641146213).

The spelling of 100321023212 in words is "one hundred billion, three hundred twenty-one million, twenty-three thousand, two hundred twelve".