12258226026 has 48 divisors (see below), whose sum is σ = 27475538688. Its totient is φ = 3945715200.

The previous prime is 12258226007. The next prime is 12258226039. The reversal of 12258226026 is 62062285221.

12258226026 is a `hidden beast` number, since 1 + 2 + 25 + 8 + 22 + 602 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237066 + ... + 284106.

It is an arithmetic number, because the mean of its divisors is an integer number (572407056).

Almost surely, 2^12258226026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12258226026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13737769344).

12258226026 is an abundant number, since it is smaller than the sum of its proper divisors (15217312662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258226026 is a wasteful number, since it uses less digits than its factorization.

12258226026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47547 (or 47544 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 12258226026 in words is "twelve billion, two hundred fifty-eight million, two hundred twenty-six thousand, twenty-six".