1213675386601 has 2 divisors, whose sum is σ = 1213675386602. Its totient is φ = 1213675386600.

The previous prime is 1213675386529. The next prime is 1213675386607. The reversal of 1213675386601 is 1066835763121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925251610000 + 288423776601 = 961900^2 + 537051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213675386601 - 2³⁵ = 1179315648233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213675386607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606837693300 + 606837693301.

It is an arithmetic number, because the mean of its divisors is an integer number (606837693301).

Almost surely, 2^{1213675386601} is an apocalyptic number.

It is an amenable number.

1213675386601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213675386601 is an equidigital number, since it uses as much as digits as its factorization.

1213675386601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1213675386601 in words is "one trillion, two hundred thirteen billion, six hundred seventy-five million, three hundred eighty-six thousand, six hundred one".