12603150344021 has 2 divisors, whose sum is σ = 12603150344022. Its totient is φ = 12603150344020.

The previous prime is 12603150344009. The next prime is 12603150344069. The reversal of 12603150344021 is 12044305130621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12329150441521 + 273999902500 = 3511289^2 + 523450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12603150344021 - 2⁶ = 12603150343957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603150344921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301575172010 + 6301575172011.

It is an arithmetic number, because the mean of its divisors is an integer number (6301575172011).

Almost surely, 2^{12603150344021} is an apocalyptic number.

It is an amenable number.

12603150344021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603150344021 is an equidigital number, since it uses as much as digits as its factorization.

12603150344021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 12603150344021 its reverse (12044305130621), we get a palindrome (24647455474642).

The spelling of 12603150344021 in words is "twelve trillion, six hundred three billion, one hundred fifty million, three hundred forty-four thousand, twenty-one".