1212011044199 has 2 divisors, whose sum is σ = 1212011044200. Its totient is φ = 1212011044198.

The previous prime is 1212011044187. The next prime is 1212011044313. The reversal of 1212011044199 is 9914401102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212011044199 - 2¹² = 1212011040103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212011044109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606005522099 + 606005522100.

It is an arithmetic number, because the mean of its divisors is an integer number (606005522100).

Almost surely, 2^{1212011044199} is an apocalyptic number.

1212011044199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212011044199 is an equidigital number, since it uses as much as digits as its factorization.

1212011044199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 1212011044199 in words is "one trillion, two hundred twelve billion, eleven million, forty-four thousand, one hundred ninety-nine".