1212131201119 has 2 divisors, whose sum is σ = 1212131201120. Its totient is φ = 1212131201118.

The previous prime is 1212131201101. The next prime is 1212131201153. The reversal of 1212131201119 is 9111021312121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9111021312121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212131201119 - 2⁹ = 1212131200607 is a prime.

It is a super-2 number, since 2×1212131201119² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212131201093 and 1212131201102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212131201719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606065600559 + 606065600560.

It is an arithmetic number, because the mean of its divisors is an integer number (606065600560).

Almost surely, 2^{1212131201119} is an apocalyptic number.

1212131201119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212131201119 is an equidigital number, since it uses as much as digits as its factorization.

1212131201119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 1212131201119 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, two hundred one thousand, one hundred nineteen".