212013201853 has 2 divisors, whose sum is σ = 212013201854. Its totient is φ = 212013201852.

The previous prime is 212013201847. The next prime is 212013201857. The reversal of 212013201853 is 358102310212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188722474084 + 23290727769 = 434422^2 + 152613^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013201853 - 2²⁵ = 211979647421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013201857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006600926 + 106006600927.

It is an arithmetic number, because the mean of its divisors is an integer number (106006600927).

Almost surely, 2^212013201853 is an apocalyptic number.

It is an amenable number.

212013201853 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013201853 is an equidigital number, since it uses as much as digits as its factorization.

212013201853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 212013201853 in words is "two hundred twelve billion, thirteen million, two hundred one thousand, eight hundred fifty-three".