12122002213 has 2 divisors, whose sum is σ = 12122002214. Its totient is φ = 12122002212.

The previous prime is 12122002183. The next prime is 12122002229. The reversal of 12122002213 is 31220022121.

It is a happy number.

It is an a-pointer prime, because the next prime (12122002229) can be obtained adding 12122002213 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9575992449 + 2546009764 = 97857^2 + 50458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122002213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122002253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061001106 + 6061001107.

It is an arithmetic number, because the mean of its divisors is an integer number (6061001107).

Almost surely, 2^12122002213 is an apocalyptic number.

It is an amenable number.

12122002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122002213 is an equidigital number, since it uses as much as digits as its factorization.

12122002213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12122002213 its reverse (31220022121), we get a palindrome (43342024334).

The spelling of 12122002213 in words is "twelve billion, one hundred twenty-two million, two thousand, two hundred thirteen".