3525212121201 has 6 divisors (see below), whose sum is σ = 5091973063970. Its totient is φ = 2350141414128.

The previous prime is 3525212121149. The next prime is 3525212121217. The reversal of 3525212121201 is 1021212125253.

3525212121201 is a `hidden beast` number, since 3 + 5 + 2 + 521 + 2 + 12 + 120 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2899885439025 + 625326682176 = 1702905^2 + 790776^2 .

It is not a de Polignac number, because 3525212121201 - 2²⁹ = 3524675250289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3525212121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195845117836 + ... + 195845117853.

Almost surely, 2^{3525212121201} is an apocalyptic number.

It is an amenable number.

3525212121201 is a deficient number, since it is larger than the sum of its proper divisors (1566760942769).

3525212121201 is a wasteful number, since it uses less digits than its factorization.

3525212121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391690235695 (or 391690235692 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 3525212121201 its reverse (1021212125253), we get a palindrome (4546424246454).

The spelling of 3525212121201 in words is "three trillion, five hundred twenty-five billion, two hundred twelve million, one hundred twenty-one thousand, two hundred one".