1222112016949 has 2 divisors, whose sum is σ = 1222112016950. Its totient is φ = 1222112016948.

The previous prime is 1222112016913. The next prime is 1222112016973. The reversal of 1222112016949 is 9496102112221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219076557924 + 3035459025 = 1104118^2 + 55095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222112016949 - 2¹³ = 1222112008757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112016049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056008474 + 611056008475.

It is an arithmetic number, because the mean of its divisors is an integer number (611056008475).

Almost surely, 2^{1222112016949} is an apocalyptic number.

It is an amenable number.

1222112016949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112016949 is an equidigital number, since it uses as much as digits as its factorization.

1222112016949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 1222112016949 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, sixteen thousand, nine hundred forty-nine".