12267302642 has 32 divisors (see below), whose sum is σ = 21586189824. Its totient is φ = 5119992000.

The previous prime is 12267302627. The next prime is 12267302647. The reversal of 12267302642 is 24620376221.

It is a super-2 number, since 2×12267302642² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12267302647) 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, 15143 + ... + 157365.

It is an arithmetic number, because the mean of its divisors is an integer number (674568432).

Almost surely, 2^12267302642 is an apocalyptic number.

12267302642 is a deficient number, since it is larger than the sum of its proper divisors (9318887182).

12267302642 is a wasteful number, since it uses less digits than its factorization.

12267302642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142394.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 12267302642 its reverse (24620376221), we get a palindrome (36887678863).

The spelling of 12267302642 in words is "twelve billion, two hundred sixty-seven million, three hundred two thousand, six hundred forty-two".