12202120210957 has 2 divisors, whose sum is σ = 12202120210958. Its totient is φ = 12202120210956.

The previous prime is 12202120210919. The next prime is 12202120210963. The reversal of 12202120210957 is 75901202120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11570753299561 + 631366911396 = 3401581^2 + 794586^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202120210957 - 2²³ = 12202111822349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202120210997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101060105478 + 6101060105479.

It is an arithmetic number, because the mean of its divisors is an integer number (6101060105479).

Almost surely, 2^{12202120210957} is an apocalyptic number.

It is an amenable number.

12202120210957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202120210957 is an equidigital number, since it uses as much as digits as its factorization.

12202120210957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 12202120210957 in words is "twelve trillion, two hundred two billion, one hundred twenty million, two hundred ten thousand, nine hundred fifty-seven".