212013021053 has 2 divisors, whose sum is σ = 212013021054. Its totient is φ = 212013021052.

The previous prime is 212013021029. The next prime is 212013021071. The reversal of 212013021053 is 350120310212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211763791684 + 249229369 = 460178^2 + 15787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013021053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013021953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006510526 + 106006510527.

It is an arithmetic number, because the mean of its divisors is an integer number (106006510527).

Almost surely, 2^212013021053 is an apocalyptic number.

It is an amenable number.

212013021053 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013021053 is an equidigital number, since it uses as much as digits as its factorization.

212013021053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 212013021053 its reverse (350120310212), we get a palindrome (562133331265).

The spelling of 212013021053 in words is "two hundred twelve billion, thirteen million, twenty-one thousand, fifty-three".