13120212551 has 2 divisors, whose sum is σ = 13120212552. Its totient is φ = 13120212550.

The previous prime is 13120212499. The next prime is 13120212569. The reversal of 13120212551 is 15521202131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120212551 - 2³⁰ = 12046470727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120212151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560106275 + 6560106276.

It is an arithmetic number, because the mean of its divisors is an integer number (6560106276).

Almost surely, 2^13120212551 is an apocalyptic number.

13120212551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120212551 is an equidigital number, since it uses as much as digits as its factorization.

13120212551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 13120212551 its reverse (15521202131), we get a palindrome (28641414682).

The spelling of 13120212551 in words is "thirteen billion, one hundred twenty million, two hundred twelve thousand, five hundred fifty-one".