12276191432 has 36 divisors (see below), whose sum is σ = 23591503035. Its totient is φ = 5988768240.

The previous prime is 12276191429. The next prime is 12276191449. The reversal of 12276191432 is 23419167221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6138095716 + 6138095716 = 78346^2 + 78346^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78346.

It is a super-2 number, since 2×12276191432² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 13475057 + ... + 13475967.

Almost surely, 2^12276191432 is an apocalyptic number.

It is an amenable number.

12276191432 is a deficient number, since it is larger than the sum of its proper divisors (11315311603).

12276191432 is an frugal number, since it uses more digits than its factorization.

12276191432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 956 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The spelling of 12276191432 in words is "twelve billion, two hundred seventy-six million, one hundred ninety-one thousand, four hundred thirty-two".