12210352226256 has 40 divisors (see below), whose sum is σ = 31725741788640. Its totient is φ = 4046590715776.

The previous prime is 12210352226153. The next prime is 12210352226341. The reversal of 12210352226256 is 65262225301221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735200766 + ... + 735217373.

It is an arithmetic number, because the mean of its divisors is an integer number (793143544716).

Almost surely, 2^{12210352226256} is an apocalyptic number.

12210352226256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12210352226256 is an abundant number, since it is smaller than the sum of its proper divisors (19515389562384).

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

12210352226256 is a wasteful number, since it uses less digits than its factorization.

12210352226256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470418323 (or 1470418317 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 12210352226256 its reverse (65262225301221), we get a palindrome (77472577527477).

The spelling of 12210352226256 in words is "twelve trillion, two hundred ten billion, three hundred fifty-two million, two hundred twenty-six thousand, two hundred fifty-six".