1214431326261 has 12 divisors (see below), whose sum is σ = 1754247381900. Its totient is φ = 809589130560.

The previous prime is 1214431326217. The next prime is 1214431326347. The reversal of 1214431326261 is 1626231344121.

1214431326261 is a `hidden beast` number, since 1 + 2 + 1 + 44 + 31 + 326 + 261 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 337363488900 + 877067837361 = 580830^2 + 936519^2 .

It is not a de Polignac number, because 1214431326261 - 2¹⁷ = 1214431195189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214431326211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2402736 + ... + 2863913.

It is an arithmetic number, because the mean of its divisors is an integer number (146187281825).

Almost surely, 2^{1214431326261} is an apocalyptic number.

It is an amenable number.

1214431326261 is a deficient number, since it is larger than the sum of its proper divisors (539816055639).

1214431326261 is a wasteful number, since it uses less digits than its factorization.

1214431326261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292276 (or 5292273 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 1214431326261 in words is "one trillion, two hundred fourteen billion, four hundred thirty-one million, three hundred twenty-six thousand, two hundred sixty-one".