12145694053 has 2 divisors, whose sum is σ = 12145694054. Its totient is φ = 12145694052.

The previous prime is 12145694017. The next prime is 12145694059. The reversal of 12145694053 is 35049654121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10641572964 + 1504121089 = 103158^2 + 38783^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145694053 - 2⁹ = 12145693541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12145693997 and 12145694015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145694059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072847026 + 6072847027.

It is an arithmetic number, because the mean of its divisors is an integer number (6072847027).

Almost surely, 2^12145694053 is an apocalyptic number.

It is an amenable number.

12145694053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145694053 is an equidigital number, since it uses as much as digits as its factorization.

12145694053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 12145694053 in words is "twelve billion, one hundred forty-five million, six hundred ninety-four thousand, fifty-three".