12426242055 has 32 divisors (see below), whose sum is σ = 21079652544. Its totient is φ = 6229149696.

The previous prime is 12426242029. The next prime is 12426242077. The reversal of 12426242055 is 55024262421.

It is not a de Polignac number, because 12426242055 - 2¹¹ = 12426240007 is a prime.

It is a super-2 number, since 2×12426242055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160849 + ... + 225221.

It is an arithmetic number, because the mean of its divisors is an integer number (658739142).

Almost surely, 2^12426242055 is an apocalyptic number.

12426242055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12426242055 is a deficient number, since it is larger than the sum of its proper divisors (8653410489).

12426242055 is a wasteful number, since it uses less digits than its factorization.

12426242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65155.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 12426242055 in words is "twelve billion, four hundred twenty-six million, two hundred forty-two thousand, fifty-five".