12964261226 has 32 divisors (see below), whose sum is σ = 22325760000. Its totient is φ = 5530844592.

The previous prime is 12964261223. The next prime is 12964261237. The reversal of 12964261226 is 62216246921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12964261223) 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, 3176255 + ... + 3180333.

It is an arithmetic number, because the mean of its divisors is an integer number (697680000).

Almost surely, 2^12964261226 is an apocalyptic number.

12964261226 is a deficient number, since it is larger than the sum of its proper divisors (9361498774).

12964261226 is a wasteful number, since it uses less digits than its factorization.

12964261226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066.

The product of its digits is 124416, while the sum is 41.

The spelling of 12964261226 in words is "twelve billion, nine hundred sixty-four million, two hundred sixty-one thousand, two hundred twenty-six".