12203931667957 has 2 divisors, whose sum is σ = 12203931667958. Its totient is φ = 12203931667956.

The previous prime is 12203931667877. The next prime is 12203931667981. The reversal of 12203931667957 is 75976613930221.

12203931667957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8414559417796 + 3789372250161 = 2900786^2 + 1946631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203931667957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12203931667895 and 12203931667904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203961667957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101965833978 + 6101965833979.

It is an arithmetic number, because the mean of its divisors is an integer number (6101965833979).

Almost surely, 2^{12203931667957} is an apocalyptic number.

It is an amenable number.

12203931667957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203931667957 is an equidigital number, since it uses as much as digits as its factorization.

12203931667957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 12203931667957 in words is "twelve trillion, two hundred three billion, nine hundred thirty-one million, six hundred sixty-seven thousand, nine hundred fifty-seven".