12261001003 has 2 divisors, whose sum is σ = 12261001004. Its totient is φ = 12261001002.

The previous prime is 12261000959. The next prime is 12261001007. The reversal of 12261001003 is 30010016221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12261001003 - 2²⁹ = 11724130091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12261001007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130500501 + 6130500502.

It is an arithmetic number, because the mean of its divisors is an integer number (6130500502).

Almost surely, 2^12261001003 is an apocalyptic number.

12261001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12261001003 is an equidigital number, since it uses as much as digits as its factorization.

12261001003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12261001003 its reverse (30010016221), we get a palindrome (42271017224).

The spelling of 12261001003 in words is "twelve billion, two hundred sixty-one million, one thousand, three".