3525212142205 has 12 divisors (see below), whose sum is σ = 4580689861620. Its totient is φ = 2603233581312.

The previous prime is 3525212142203. The next prime is 3525212142209. The reversal of 3525212142205 is 5022412125253.

It can be written as a sum of positive squares in 6 ways, for example, as 1362556605796 + 2162655536409 = 1167286^2 + 1470597^2 .

It is not a de Polignac number, because 3525212142205 - 2¹ = 3525212142203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525212142203) 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, 2085923500 + ... + 2085925189.

It is an arithmetic number, because the mean of its divisors is an integer number (381724155135).

Almost surely, 2^{3525212142205} is an apocalyptic number.

It is an amenable number.

3525212142205 is a deficient number, since it is larger than the sum of its proper divisors (1055477719415).

3525212142205 is a wasteful number, since it uses less digits than its factorization.

3525212142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171848720 (or 4171848707 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 3525212142205 its reverse (5022412125253), we get a palindrome (8547624267458).

The spelling of 3525212142205 in words is "three trillion, five hundred twenty-five billion, two hundred twelve million, one hundred forty-two thousand, two hundred five".