12801332492008 has 8 divisors (see below), whose sum is σ = 24002498422530. Its totient is φ = 6400666246000.

The previous prime is 12801332491993. The next prime is 12801332492009. The reversal of 12801332492008 is 80029423310821.

It can be written as a sum of positive squares in only one way, i.e., 12757198045284 + 44134446724 = 3571722^2 + 210082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12801332492008² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12801332492009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800083280743 + ... + 800083280758.

Almost surely, 2^{12801332492008} is an apocalyptic number.

It is an amenable number.

12801332492008 is a deficient number, since it is larger than the sum of its proper divisors (11201165930522).

12801332492008 is a wasteful number, since it uses less digits than its factorization.

12801332492008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600166561507 (or 1600166561503 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 12801332492008 in words is "twelve trillion, eight hundred one billion, three hundred thirty-two million, four hundred ninety-two thousand, eight".