12201426055 has 48 divisors (see below), whose sum is σ = 19139972544. Its totient is φ = 7387269120.

The previous prime is 12201426047. The next prime is 12201426073. The reversal of 12201426055 is 55062410221.

It is not a de Polignac number, because 12201426055 - 2³ = 12201426047 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 10026 + ... + 156535.

It is an arithmetic number, because the mean of its divisors is an integer number (398749428).

Almost surely, 2^12201426055 is an apocalyptic number.

12201426055 is a deficient number, since it is larger than the sum of its proper divisors (6938546489).

12201426055 is a wasteful number, since it uses less digits than its factorization.

12201426055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166616 (or 166609 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12201426055 its reverse (55062410221), we get a palindrome (67263836276).

The spelling of 12201426055 in words is "twelve billion, two hundred one million, four hundred twenty-six thousand, fifty-five".