13212311115442 has 8 divisors (see below), whose sum is σ = 19872467945856. Its totient is φ = 6588155133492.

The previous prime is 13212311115373. The next prime is 13212311115473. The reversal of 13212311115442 is 24451111321231.

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

It is a super-2 number, since 2×13212311115442² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9000211198 + ... + 9000212665.

It is an arithmetic number, because the mean of its divisors is an integer number (2484058493232).

Almost surely, 2^{13212311115442} is an apocalyptic number.

13212311115442 is a deficient number, since it is larger than the sum of its proper divisors (6660156830414).

13212311115442 is a wasteful number, since it uses less digits than its factorization.

13212311115442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000424232.

The product of its digits is 5760, while the sum is 31.

Adding to 13212311115442 its reverse (24451111321231), we get a palindrome (37663422436673).

The spelling of 13212311115442 in words is "thirteen trillion, two hundred twelve billion, three hundred eleven million, one hundred fifteen thousand, four hundred forty-two".