12722315143 has 8 divisors (see below), whose sum is σ = 13489698960. Its totient is φ = 11957043840.

The previous prime is 12722315117. The next prime is 12722315161. The reversal of 12722315143 is 34151322721.

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

It is not a de Polignac number, because 12722315143 - 2¹⁷ = 12722184071 is a prime.

It is a super-2 number, since 2×12722315143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722315113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515713 + ... + 539818.

It is an arithmetic number, because the mean of its divisors is an integer number (1686212370).

Almost surely, 2^12722315143 is an apocalyptic number.

12722315143 is a deficient number, since it is larger than the sum of its proper divisors (767383817).

12722315143 is a wasteful number, since it uses less digits than its factorization.

12722315143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056257.

The product of its digits is 10080, while the sum is 31.

Adding to 12722315143 its reverse (34151322721), we get a palindrome (46873637864).

The spelling of 12722315143 in words is "twelve billion, seven hundred twenty-two million, three hundred fifteen thousand, one hundred forty-three".