7212445165403 has 2 divisors, whose sum is σ = 7212445165404. Its totient is φ = 7212445165402.

The previous prime is 7212445165379. The next prime is 7212445165439. The reversal of 7212445165403 is 3045615442127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7212445165403 - 2¹⁸ = 7212444903259 is a prime.

It is not a weakly prime, because it can be changed into another prime (7212445185403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606222582701 + 3606222582702.

It is an arithmetic number, because the mean of its divisors is an integer number (3606222582702).

Almost surely, 2^{7212445165403} is an apocalyptic number.

7212445165403 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212445165403 is an equidigital number, since it uses as much as digits as its factorization.

7212445165403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 7212445165403 in words is "seven trillion, two hundred twelve billion, four hundred forty-five million, one hundred sixty-five thousand, four hundred three".