12601422356 has 12 divisors (see below), whose sum is σ = 22247644692. Its totient is φ = 6244952448.

The previous prime is 12601422331. The next prime is 12601422389. The reversal of 12601422356 is 65322410621.

12601422356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5626500100 + 6974922256 = 75010^2 + 83516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13939175 + ... + 13940078.

It is an arithmetic number, because the mean of its divisors is an integer number (1853970391).

Almost surely, 2^12601422356 is an apocalyptic number.

It is an amenable number.

12601422356 is a deficient number, since it is larger than the sum of its proper divisors (9646222336).

12601422356 is a wasteful number, since it uses less digits than its factorization.

12601422356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27879370 (or 27879368 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 12601422356 its reverse (65322410621), we get a palindrome (77923832977).

The spelling of 12601422356 in words is "twelve billion, six hundred one million, four hundred twenty-two thousand, three hundred fifty-six".