1213402332242 has 8 divisors (see below), whose sum is σ = 1823596980732. Its totient is φ = 605536672000.

The previous prime is 1213402332173. The next prime is 1213402332269. The reversal of 1213402332242 is 2422332043121.

It can be written as a sum of positive squares in 2 ways, for example, as 1123131528841 + 90270803401 = 1059779^2 + 300451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582245759 + ... + 582247842.

Almost surely, 2^{1213402332242} is an apocalyptic number.

1213402332242 is a deficient number, since it is larger than the sum of its proper divisors (610194648490).

1213402332242 is a wasteful number, since it uses less digits than its factorization.

1213402332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164494124.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1213402332242 its reverse (2422332043121), we get a palindrome (3635734375363).

The spelling of 1213402332242 in words is "one trillion, two hundred thirteen billion, four hundred two million, three hundred thirty-two thousand, two hundred forty-two".