13212143001 has 12 divisors (see below), whose sum is σ = 19444286628. Its totient is φ = 8641904544.

The previous prime is 13212142967. The next prime is 13212143003. The reversal of 13212143001 is 10034121231.

It can be written as a sum of positive squares in 2 ways, for example, as 7267733001 + 5944410000 = 85251^2 + 77100^2 .

It is not a de Polignac number, because 13212143001 - 2¹⁰ = 13212141977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13212143003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13848730 + ... + 13849683.

It is an arithmetic number, because the mean of its divisors is an integer number (1620357219).

Almost surely, 2^13212143001 is an apocalyptic number.

It is an amenable number.

13212143001 is a deficient number, since it is larger than the sum of its proper divisors (6232143627).

13212143001 is a wasteful number, since it uses less digits than its factorization.

13212143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27698472 (or 27698469 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13212143001 its reverse (10034121231), we get a palindrome (23246264232).

The spelling of 13212143001 in words is "thirteen billion, two hundred twelve million, one hundred forty-three thousand, one".