1214092844981 has 2 divisors, whose sum is σ = 1214092844982. Its totient is φ = 1214092844980.

The previous prime is 1214092844971. The next prime is 1214092845001. The reversal of 1214092844981 is 1894482904121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952593568081 + 261499276900 = 976009^2 + 511370^2 .

It is an emirp because it is prime and its reverse (1894482904121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214092844981 - 2⁶ = 1214092844917 is a prime.

It is a super-2 number, since 2×1214092844981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214092844971) 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, 607046422490 + 607046422491.

It is an arithmetic number, because the mean of its divisors is an integer number (607046422491).

Almost surely, 2^{1214092844981} is an apocalyptic number.

It is an amenable number.

1214092844981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214092844981 is an equidigital number, since it uses as much as digits as its factorization.

1214092844981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 1214092844981 in words is "one trillion, two hundred fourteen billion, ninety-two million, eight hundred forty-four thousand, nine hundred eighty-one".