1214234440291 has 2 divisors, whose sum is σ = 1214234440292. Its totient is φ = 1214234440290.

The previous prime is 1214234440193. The next prime is 1214234440297. The reversal of 1214234440291 is 1920444324121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214234440291 - 2⁷ = 1214234440163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214234440291.

It is not a weakly prime, because it can be changed into another prime (1214234440297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607117220145 + 607117220146.

It is an arithmetic number, because the mean of its divisors is an integer number (607117220146).

Almost surely, 2^{1214234440291} is an apocalyptic number.

1214234440291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214234440291 is an equidigital number, since it uses as much as digits as its factorization.

1214234440291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 1214234440291 in words is "one trillion, two hundred fourteen billion, two hundred thirty-four million, four hundred forty thousand, two hundred ninety-one".