12601025266 has 8 divisors (see below), whose sum is σ = 19511265024. Its totient is φ = 6097270260.

The previous prime is 12601025153. The next prime is 12601025273. The reversal of 12601025266 is 66252010621.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101621110 + ... + 101621233.

It is an arithmetic number, because the mean of its divisors is an integer number (2438908128).

Almost surely, 2^12601025266 is an apocalyptic number.

12601025266 is a deficient number, since it is larger than the sum of its proper divisors (6910239758).

12601025266 is a wasteful number, since it uses less digits than its factorization.

12601025266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203242376.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12601025266 its reverse (66252010621), we get a palindrome (78853035887).

The spelling of 12601025266 in words is "twelve billion, six hundred one million, twenty-five thousand, two hundred sixty-six".