1212240746219 has 2 divisors, whose sum is σ = 1212240746220. Its totient is φ = 1212240746218.

The previous prime is 1212240746209. The next prime is 1212240746239. The reversal of 1212240746219 is 9126470422121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212240746219 - 2¹⁶ = 1212240680683 is a prime.

It is a super-2 number, since 2×1212240746219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212240746209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606120373109 + 606120373110.

It is an arithmetic number, because the mean of its divisors is an integer number (606120373110).

Almost surely, 2^{1212240746219} is an apocalyptic number.

1212240746219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212240746219 is an equidigital number, since it uses as much as digits as its factorization.

1212240746219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 1212240746219 in words is "one trillion, two hundred twelve billion, two hundred forty million, seven hundred forty-six thousand, two hundred nineteen".