12211010893 has 2 divisors, whose sum is σ = 12211010894. Its totient is φ = 12211010892.

The previous prime is 12211010849. The next prime is 12211010897. The reversal of 12211010893 is 39801011221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7690062249 + 4520948644 = 87693^2 + 67238^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211010893 - 2²¹ = 12208913741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211010897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105505446 + 6105505447.

It is an arithmetic number, because the mean of its divisors is an integer number (6105505447).

Almost surely, 2^12211010893 is an apocalyptic number.

It is an amenable number.

12211010893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211010893 is an equidigital number, since it uses as much as digits as its factorization.

12211010893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 12211010893 in words is "twelve billion, two hundred eleven million, ten thousand, eight hundred ninety-three".