12432142801 has 4 divisors (see below), whose sum is σ = 13388461492. Its totient is φ = 11475824112.

The previous prime is 12432142777. The next prime is 12432142817. The reversal of 12432142801 is 10824123421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4417596225 + 8014546576 = 66465^2 + 89524^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432142801 - 2⁵ = 12432142769 is a prime.

It is a super-2 number, since 2×12432142801² (a number of 21 digits) contains 22 as substring.

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 12432142801.

It is not an unprimeable number, because it can be changed into a prime (12432142831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478159326 + ... + 478159351.

It is an arithmetic number, because the mean of its divisors is an integer number (3347115373).

Almost surely, 2^12432142801 is an apocalyptic number.

It is an amenable number.

12432142801 is a deficient number, since it is larger than the sum of its proper divisors (956318691).

12432142801 is an equidigital number, since it uses as much as digits as its factorization.

12432142801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956318690.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 12432142801 in words is "twelve billion, four hundred thirty-two million, one hundred forty-two thousand, eight hundred one".