26226220012 has 12 divisors (see below), whose sum is σ = 45899496720. Its totient is φ = 13112078096.

The previous prime is 26226220003. The next prime is 26226220037. The reversal of 26226220012 is 21002262262.

It is a happy number.

It is a super-2 number, since 2×26226220012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199312 + ... + 303607.

It is an arithmetic number, because the mean of its divisors is an integer number (3824958060).

Almost surely, 2^26226220012 is an apocalyptic number.

It is an amenable number.

26226220012 is a deficient number, since it is larger than the sum of its proper divisors (19673276708).

26226220012 is a wasteful number, since it uses less digits than its factorization.

26226220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515960 (or 515958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 26226220012 its reverse (21002262262), we get a palindrome (47228482274).

The spelling of 26226220012 in words is "twenty-six billion, two hundred twenty-six million, two hundred twenty thousand, twelve".