7212144853 has 2 divisors, whose sum is σ = 7212144854. Its totient is φ = 7212144852.

The previous prime is 7212144833. The next prime is 7212144859. The reversal of 7212144853 is 3584412127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7002677124 + 209467729 = 83682^2 + 14473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7212144853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7212144859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606072426 + 3606072427.

It is an arithmetic number, because the mean of its divisors is an integer number (3606072427).

Almost surely, 2^7212144853 is an apocalyptic number.

It is an amenable number.

7212144853 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212144853 is an equidigital number, since it uses as much as digits as its factorization.

7212144853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 7212144853 is about 84924.3478220469. The cubic root of 7212144853 is about 1932.0638747569.

The spelling of 7212144853 in words is "seven billion, two hundred twelve million, one hundred forty-four thousand, eight hundred fifty-three".