12290443246953 has 32 divisors (see below), whose sum is σ = 18421888475520. Its totient is φ = 8097771648960.

The previous prime is 12290443246849. The next prime is 12290443246987. The reversal of 12290443246953 is 35964234409221.

It is a happy number.

12290443246953 is a `hidden beast` number, since 1 + 2 + 2 + 90 + 4 + 43 + 2 + 469 + 53 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12290443246953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12290443246953.

It is not an unprimeable number, because it can be changed into a prime (12290443246253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3836250 + ... + 6268787.

It is an arithmetic number, because the mean of its divisors is an integer number (575684014860).

Almost surely, 2^{12290443246953} is an apocalyptic number.

It is an amenable number.

12290443246953 is a deficient number, since it is larger than the sum of its proper divisors (6131445228567).

12290443246953 is a wasteful number, since it uses less digits than its factorization.

12290443246953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105574 (or 10105568 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 12290443246953 in words is "twelve trillion, two hundred ninety billion, four hundred forty-three million, two hundred forty-six thousand, nine hundred fifty-three".