12621360142 has 8 divisors (see below), whose sum is σ = 18933201936. Its totient is φ = 6310292832.

The previous prime is 12621360139. The next prime is 12621360151. The reversal of 12621360142 is 24106312621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12621360142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151003 + ... + 219190.

It is an arithmetic number, because the mean of its divisors is an integer number (2366650242).

Almost surely, 2^12621360142 is an apocalyptic number.

12621360142 is a deficient number, since it is larger than the sum of its proper divisors (6311841794).

12621360142 is a wasteful number, since it uses less digits than its factorization.

12621360142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387242.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12621360142 its reverse (24106312621), we get a palindrome (36727672763).

It can be divided in two parts, 126213 and 60142, that added together give a triangular number (186355 = T₆₁₀).

The spelling of 12621360142 in words is "twelve billion, six hundred twenty-one million, three hundred sixty thousand, one hundred forty-two".