12202202109961 has 2 divisors, whose sum is σ = 12202202109962. Its totient is φ = 12202202109960.

The previous prime is 12202202109941. The next prime is 12202202109973. The reversal of 12202202109961 is 16990120220221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10150876369936 + 2051325740025 = 3186044^2 + 1432245^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202202109961 - 2¹⁵ = 12202202077193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202202109961.

It is not a weakly prime, because it can be changed into another prime (12202202109941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101101054980 + 6101101054981.

It is an arithmetic number, because the mean of its divisors is an integer number (6101101054981).

Almost surely, 2^{12202202109961} is an apocalyptic number.

It is an amenable number.

12202202109961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202202109961 is an equidigital number, since it uses as much as digits as its factorization.

12202202109961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12202202109961 in words is "twelve trillion, two hundred two billion, two hundred two million, one hundred nine thousand, nine hundred sixty-one".