12601143166 has 16 divisors (see below), whose sum is σ = 19135552464. Its totient is φ = 6222674304.

The previous prime is 12601143143. The next prime is 12601143167. The reversal of 12601143166 is 66134110621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601143167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603436 + ... + 623968.

It is an arithmetic number, because the mean of its divisors is an integer number (1195972029).

Almost surely, 2^12601143166 is an apocalyptic number.

12601143166 is a deficient number, since it is larger than the sum of its proper divisors (6534409298).

12601143166 is a wasteful number, since it uses less digits than its factorization.

12601143166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24315.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 12601143166 its reverse (66134110621), we get a palindrome (78735253787).

The spelling of 12601143166 in words is "twelve billion, six hundred one million, one hundred forty-three thousand, one hundred sixty-six".