12021221010053 has 2 divisors, whose sum is σ = 12021221010054. Its totient is φ = 12021221010052.

The previous prime is 12021221010041. The next prime is 12021221010061. The reversal of 12021221010053 is 35001012212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10579257140929 + 1441963869124 = 3252577^2 + 1200818^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021221010053 - 2²⁰ = 12021219961477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021221010353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010610505026 + 6010610505027.

It is an arithmetic number, because the mean of its divisors is an integer number (6010610505027).

Almost surely, 2^{12021221010053} is an apocalyptic number.

It is an amenable number.

12021221010053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021221010053 is an equidigital number, since it uses as much as digits as its factorization.

12021221010053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12021221010053 its reverse (35001012212021), we get a palindrome (47022233222074).

The spelling of 12021221010053 in words is "twelve trillion, twenty-one billion, two hundred twenty-one million, ten thousand, fifty-three".