4312221112049 has 2 divisors, whose sum is σ = 4312221112050. Its totient is φ = 4312221112048.

The previous prime is 4312221112019. The next prime is 4312221112109. The reversal of 4312221112049 is 9402111222134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2912807823025 + 1399413289024 = 1706695^2 + 1182968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312221112049 is a prime.

It is a super-2 number, since 2×4312221112049² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4312221112019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156110556024 + 2156110556025.

It is an arithmetic number, because the mean of its divisors is an integer number (2156110556025).

Almost surely, 2^{4312221112049} is an apocalyptic number.

It is an amenable number.

4312221112049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312221112049 is an equidigital number, since it uses as much as digits as its factorization.

4312221112049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 4312221112049 in words is "four trillion, three hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, forty-nine".