12212012031853 has 2 divisors, whose sum is σ = 12212012031854. Its totient is φ = 12212012031852.

The previous prime is 12212012031851. The next prime is 12212012031893. The reversal of 12212012031853 is 35813021021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8606255384164 + 3605756647689 = 2933642^2 + 1898883^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212012031853 - 2¹ = 12212012031851 is a prime.

It is a super-2 number, since 2×12212012031853² (a number of 27 digits) contains 22 as substring.

Together with 12212012031851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212012031851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106006015926 + 6106006015927.

It is an arithmetic number, because the mean of its divisors is an integer number (6106006015927).

Almost surely, 2^{12212012031853} is an apocalyptic number.

It is an amenable number.

12212012031853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212012031853 is an equidigital number, since it uses as much as digits as its factorization.

12212012031853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 12212012031853 in words is "twelve trillion, two hundred twelve billion, twelve million, thirty-one thousand, eight hundred fifty-three".