13223100212 has 18 divisors (see below), whose sum is σ = 26918454402. Its totient is φ = 5667042864.

The previous prime is 13223100203. The next prime is 13223100227. The reversal of 13223100212 is 21200132231.

It can be written as a sum of positive squares in only one way, i.e., 11258483236 + 1964616976 = 106106^2 + 44324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33732203 + ... + 33732594.

It is an arithmetic number, because the mean of its divisors is an integer number (1495469689).

Almost surely, 2^13223100212 is an apocalyptic number.

It is an amenable number.

13223100212 is an abundant number, since it is smaller than the sum of its proper divisors (13695354190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223100212 is a wasteful number, since it uses less digits than its factorization.

13223100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67464815 (or 67464806 counting only the distinct ones).

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

Adding to 13223100212 its reverse (21200132231), we get a palindrome (34423232443).

The spelling of 13223100212 in words is "thirteen billion, two hundred twenty-three million, one hundred thousand, two hundred twelve".