12220101233 has 2 divisors, whose sum is σ = 12220101234. Its totient is φ = 12220101232.

The previous prime is 12220101221. The next prime is 12220101239. The reversal of 12220101233 is 33210102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11231124529 + 988976704 = 105977^2 + 31448^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220101233 - 2⁴ = 12220101217 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220101239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110050616 + 6110050617.

It is an arithmetic number, because the mean of its divisors is an integer number (6110050617).

Almost surely, 2^12220101233 is an apocalyptic number.

It is an amenable number.

12220101233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220101233 is an equidigital number, since it uses as much as digits as its factorization.

12220101233 is an evil number, because the sum of its binary digits is even.

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

Adding to 12220101233 its reverse (33210102221), we get a palindrome (45430203454).

The spelling of 12220101233 in words is "twelve billion, two hundred twenty million, one hundred one thousand, two hundred thirty-three".