12201301281 has 24 divisors (see below), whose sum is σ = 17678977056. Its totient is φ = 7481685120.

The previous prime is 12201301279. The next prime is 12201301289. The reversal of 12201301281 is 18210310221.

It is not a de Polignac number, because 12201301281 - 2¹ = 12201301279 is a prime.

It is a super-3 number, since 3×12201301281³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12201301289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99646 + ... + 185288.

It is an arithmetic number, because the mean of its divisors is an integer number (736624044).

Almost surely, 2^12201301281 is an apocalyptic number.

It is an amenable number.

12201301281 is a deficient number, since it is larger than the sum of its proper divisors (5477675775).

12201301281 is a wasteful number, since it uses less digits than its factorization.

12201301281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85953 (or 85940 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The spelling of 12201301281 in words is "twelve billion, two hundred one million, three hundred one thousand, two hundred eighty-one".