12621151443 has 8 divisors (see below), whose sum is σ = 16898029456. Its totient is φ = 8379187200.

The previous prime is 12621151423. The next prime is 12621151471. The reversal of 12621151443 is 34415112621.

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

It is not a de Polignac number, because 12621151443 - 2⁶ = 12621151379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12621151443.

It is not an unprimeable number, because it can be changed into a prime (12621151423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8727598 + ... + 8729043.

It is an arithmetic number, because the mean of its divisors is an integer number (2112253682).

Almost surely, 2^12621151443 is an apocalyptic number.

12621151443 is a deficient number, since it is larger than the sum of its proper divisors (4276878013).

12621151443 is a wasteful number, since it uses less digits than its factorization.

12621151443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456885.

The product of its digits is 5760, while the sum is 30.

The spelling of 12621151443 in words is "twelve billion, six hundred twenty-one million, one hundred fifty-one thousand, four hundred forty-three".