12270442677 has 16 divisors (see below), whose sum is σ = 16927704000. Its totient is φ = 7896836864.

The previous prime is 12270442663. The next prime is 12270442741. The reversal of 12270442677 is 77624407221.

It is a cyclic number.

It is not a de Polignac number, because 12270442677 - 2¹¹ = 12270440629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270442637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780349 + ... + 795917.

It is an arithmetic number, because the mean of its divisors is an integer number (1057981500).

Almost surely, 2^12270442677 is an apocalyptic number.

It is an amenable number.

12270442677 is a deficient number, since it is larger than the sum of its proper divisors (4657261323).

12270442677 is a wasteful number, since it uses less digits than its factorization.

12270442677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24660.

The product of its (nonzero) digits is 263424, while the sum is 42.

Adding to 12270442677 its reverse (77624407221), we get a palindrome (89894849898).

The spelling of 12270442677 in words is "twelve billion, two hundred seventy million, four hundred forty-two thousand, six hundred seventy-seven".