12121013153 has 2 divisors, whose sum is σ = 12121013154. Its totient is φ = 12121013152.

The previous prime is 12121013129. The next prime is 12121013171. The reversal of 12121013153 is 35131012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12050989729 + 70023424 = 109777^2 + 8368^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121013153 - 2¹⁶ = 12120947617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121013173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060506576 + 6060506577.

It is an arithmetic number, because the mean of its divisors is an integer number (6060506577).

Almost surely, 2^12121013153 is an apocalyptic number.

It is an amenable number.

12121013153 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121013153 is an equidigital number, since it uses as much as digits as its factorization.

12121013153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 12121013153 its reverse (35131012121), we get a palindrome (47252025274).

The spelling of 12121013153 in words is "twelve billion, one hundred twenty-one million, thirteen thousand, one hundred fifty-three".