12122222153 has 2 divisors, whose sum is σ = 12122222154. Its totient is φ = 12122222152.

The previous prime is 12122222117. The next prime is 12122222171. The reversal of 12122222153 is 35122222121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9085330489 + 3036891664 = 95317^2 + 55108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122222153 - 2⁸ = 12122221897 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122212153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061111076 + 6061111077.

It is an arithmetic number, because the mean of its divisors is an integer number (6061111077).

Almost surely, 2^12122222153 is an apocalyptic number.

It is an amenable number.

12122222153 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122222153 is an equidigital number, since it uses as much as digits as its factorization.

12122222153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

Adding to 12122222153 its reverse (35122222121), we get a palindrome (47244444274).

The spelling of 12122222153 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred fifty-three".