3421265123205 has 12 divisors (see below), whose sum is σ = 5930192880300. Its totient is φ = 1824674732352.

The previous prime is 3421265123203. The next prime is 3421265123207. The reversal of 3421265123205 is 5023215621243.

3421265123205 is a `hidden beast` number, since 3 + 421 + 2 + 6 + 5 + 1 + 23 + 205 = 666.

3421265123205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3421265123203) and next prime (3421265123207).

It can be written as a sum of positive squares in 2 ways, for example, as 2304569922561 + 1116695200644 = 1518081^2 + 1056738^2 .

It is not a de Polignac number, because 3421265123205 - 2¹ = 3421265123203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3421265123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421265123203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38014056880 + ... + 38014056969.

It is an arithmetic number, because the mean of its divisors is an integer number (494182740025).

Almost surely, 2^{3421265123205} is an apocalyptic number.

It is an amenable number.

3421265123205 is a deficient number, since it is larger than the sum of its proper divisors (2508927757095).

3421265123205 is a wasteful number, since it uses less digits than its factorization.

3421265123205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76028113860 (or 76028113857 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 3421265123205 in words is "three trillion, four hundred twenty-one billion, two hundred sixty-five million, one hundred twenty-three thousand, two hundred five".