7212986141533 has 2 divisors, whose sum is σ = 7212986141534. Its totient is φ = 7212986141532.

The previous prime is 7212986141521. The next prime is 7212986141591. The reversal of 7212986141533 is 3351416892127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5304905284644 + 1908080856889 = 2303238^2 + 1381333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7212986141533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7212986141513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606493070766 + 3606493070767.

It is an arithmetic number, because the mean of its divisors is an integer number (3606493070767).

Almost surely, 2^{7212986141533} is an apocalyptic number.

It is an amenable number.

7212986141533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212986141533 is an equidigital number, since it uses as much as digits as its factorization.

7212986141533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 7212986141533 in words is "seven trillion, two hundred twelve billion, nine hundred eighty-six million, one hundred forty-one thousand, five hundred thirty-three".