12352211442 has 48 divisors (see below), whose sum is σ = 27211860312. Its totient is φ = 4048911360.

The previous prime is 12352211383. The next prime is 12352211489. The reversal of 12352211442 is 24411225321.

12352211442 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 2 + 211 + 442 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11417136201 + 935075241 = 106851^2 + 30579^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251592 + ... + 296652.

Almost surely, 2^12352211442 is an apocalyptic number.

12352211442 is an abundant number, since it is smaller than the sum of its proper divisors (14859648870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12352211442 is a wasteful number, since it uses less digits than its factorization.

12352211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45323 (or 45320 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 12352211442 its reverse (24411225321), we get a palindrome (36763436763).

The spelling of 12352211442 in words is "twelve billion, three hundred fifty-two million, two hundred eleven thousand, four hundred forty-two".