12801272433 has 8 divisors (see below), whose sum is σ = 17139187296. Its totient is φ = 8498769600.

The previous prime is 12801272431. The next prime is 12801272443. The reversal of 12801272433 is 33427210821.

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

It is not a de Polignac number, because 12801272433 - 2¹ = 12801272431 is a prime.

It is a super-3 number, since 3×12801272433³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12801272394 and 12801272403.

It is not an unprimeable number, because it can be changed into a prime (12801272431) 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, 8852163 + ... + 8853608.

It is an arithmetic number, because the mean of its divisors is an integer number (2142398412).

Almost surely, 2^12801272433 is an apocalyptic number.

It is an amenable number.

12801272433 is a deficient number, since it is larger than the sum of its proper divisors (4337914863).

12801272433 is a wasteful number, since it uses less digits than its factorization.

12801272433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17706015.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 12801272433 in words is "twelve billion, eight hundred one million, two hundred seventy-two thousand, four hundred thirty-three".