12202578551 has 2 divisors, whose sum is σ = 12202578552. Its totient is φ = 12202578550.

The previous prime is 12202578533. The next prime is 12202578589. The reversal of 12202578551 is 15587520221.

It is an a-pointer prime, because the next prime (12202578589) can be obtained adding 12202578551 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12202578551 - 2¹⁸ = 12202316407 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 (12202578151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101289275 + 6101289276.

It is an arithmetic number, because the mean of its divisors is an integer number (6101289276).

Almost surely, 2^12202578551 is an apocalyptic number.

12202578551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202578551 is an equidigital number, since it uses as much as digits as its factorization.

12202578551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 38.

The spelling of 12202578551 in words is "twelve billion, two hundred two million, five hundred seventy-eight thousand, five hundred fifty-one".