12202694477 has 2 divisors, whose sum is σ = 12202694478. Its totient is φ = 12202694476.

The previous prime is 12202694453. The next prime is 12202694593. The reversal of 12202694477 is 77449620221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8542565476 + 3660129001 = 92426^2 + 60499^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202694477 - 2⁸ = 12202694221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202694417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101347238 + 6101347239.

It is an arithmetic number, because the mean of its divisors is an integer number (6101347239).

Almost surely, 2^12202694477 is an apocalyptic number.

It is an amenable number.

12202694477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202694477 is an equidigital number, since it uses as much as digits as its factorization.

12202694477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 12202694477 in words is "twelve billion, two hundred two million, six hundred ninety-four thousand, four hundred seventy-seven".