1213022014109 has 2 divisors, whose sum is σ = 1213022014110. Its totient is φ = 1213022014108.

The previous prime is 1213022014093. The next prime is 1213022014117. The reversal of 1213022014109 is 9014102203121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651838243225 + 561183770884 = 807365^2 + 749122^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213022014109 - 2⁴ = 1213022014093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213022014199) 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, 606511007054 + 606511007055.

It is an arithmetic number, because the mean of its divisors is an integer number (606511007055).

Almost surely, 2^{1213022014109} is an apocalyptic number.

It is an amenable number.

1213022014109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213022014109 is an equidigital number, since it uses as much as digits as its factorization.

1213022014109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1213022014109 in words is "one trillion, two hundred thirteen billion, twenty-two million, fourteen thousand, one hundred nine".