12601361158 has 8 divisors (see below), whose sum is σ = 18986804928. Its totient is φ = 6272426184.

The previous prime is 12601361147. The next prime is 12601361159. The reversal of 12601361158 is 85116310621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12601361158² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601361159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14126641 + ... + 14127532.

It is an arithmetic number, because the mean of its divisors is an integer number (2373350616).

Almost surely, 2^12601361158 is an apocalyptic number.

12601361158 is a deficient number, since it is larger than the sum of its proper divisors (6385443770).

12601361158 is a wasteful number, since it uses less digits than its factorization.

12601361158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28254398.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 12601361158 its reverse (85116310621), we get a palindrome (97717671779).

The spelling of 12601361158 in words is "twelve billion, six hundred one million, three hundred sixty-one thousand, one hundred fifty-eight".