1217252468692 has 48 divisors (see below), whose sum is σ = 2314810305360. Its totient is φ = 556739592192.

The previous prime is 1217252468651. The next prime is 1217252468693. The reversal of 1217252468692 is 2968642527121.

It can be written as a sum of positive squares in 8 ways, for example, as 14953376656 + 1202299092036 = 122284^2 + 1096494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217252468693) 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 in 15 ways as a sum of consecutive naturals, for example, 3962484 + ... + 4258612.

It is an arithmetic number, because the mean of its divisors is an integer number (48225214695).

Almost surely, 2^{1217252468692} is an apocalyptic number.

It is an amenable number.

1217252468692 is a deficient number, since it is larger than the sum of its proper divisors (1097557836668).

1217252468692 is a wasteful number, since it uses less digits than its factorization.

1217252468692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296860 (or 296858 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 1217252468692 in words is "one trillion, two hundred seventeen billion, two hundred fifty-two million, four hundred sixty-eight thousand, six hundred ninety-two".