1112212993 has 2 divisors, whose sum is σ = 1112212994. Its totient is φ = 1112212992.

The previous prime is 1112212987. The next prime is 1112213129. The reversal of 1112212993 is 3992122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920030224 + 192182769 = 30332^2 + 13863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112212993 - 2¹³ = 1112204801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112212903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556106496 + 556106497.

It is an arithmetic number, because the mean of its divisors is an integer number (556106497).

Almost surely, 2^1112212993 is an apocalyptic number.

It is an amenable number.

1112212993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112212993 is an equidigital number, since it uses as much as digits as its factorization.

1112212993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 1112212993 is about 33349.8574659623. The cubic root of 1112212993 is about 1036.0864358571.

The spelling of 1112212993 in words is "one billion, one hundred twelve million, two hundred twelve thousand, nine hundred ninety-three".