1212100201199 has 2 divisors, whose sum is σ = 1212100201200. Its totient is φ = 1212100201198.

The previous prime is 1212100201177. The next prime is 1212100201231. The reversal of 1212100201199 is 9911020012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212100201199 - 2⁸ = 1212100200943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212100281199) 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, 606050100599 + 606050100600.

It is an arithmetic number, because the mean of its divisors is an integer number (606050100600).

Almost surely, 2^{1212100201199} is an apocalyptic number.

1212100201199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212100201199 is an equidigital number, since it uses as much as digits as its factorization.

1212100201199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1212100201199 in words is "one trillion, two hundred twelve billion, one hundred million, two hundred one thousand, one hundred ninety-nine".