426131012205 has 24 divisors (see below), whose sum is σ = 739169903160. Its totient is φ = 227102853120.

The previous prime is 426131012149. The next prime is 426131012231. The reversal of 426131012205 is 502210131624.

426131012205 is a `hidden beast` number, since 4 + 2 + 613 + 10 + 12 + 20 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41052432996 + 385078579209 = 202614^2 + 620547^2 .

It is not a de Polignac number, because 426131012205 - 2⁶ = 426131012141 is a prime.

It is a congruent 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, 3417660 + ... + 3540149.

It is an arithmetic number, because the mean of its divisors is an integer number (30798745965).

Almost surely, 2^426131012205 is an apocalyptic number.

426131012205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426131012205 is a deficient number, since it is larger than the sum of its proper divisors (313038890955).

426131012205 is a wasteful number, since it uses less digits than its factorization.

426131012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959181 (or 6959178 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 426131012205 its reverse (502210131624), we get a palindrome (928341143829).

The spelling of 426131012205 in words is "four hundred twenty-six billion, one hundred thirty-one million, twelve thousand, two hundred five".