84212021303 has 2 divisors, whose sum is σ = 84212021304. Its totient is φ = 84212021302.

The previous prime is 84212021189. The next prime is 84212021363. The reversal of 84212021303 is 30312021248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84212021303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84212021363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42106010651 + 42106010652.

It is an arithmetic number, because the mean of its divisors is an integer number (42106010652).

Almost surely, 2^84212021303 is an apocalyptic number.

84212021303 is a deficient number, since it is larger than the sum of its proper divisors (1).

84212021303 is an equidigital number, since it uses as much as digits as its factorization.

84212021303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 84212021303 in words is "eighty-four billion, two hundred twelve million, twenty-one thousand, three hundred three".