3521212002 has 96 divisors (see below), whose sum is σ = 9925493760. Its totient is φ = 874827360.

The previous prime is 3521211997. The next prime is 3521212043. The reversal of 3521212002 is 2002121253.

3521212002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23352 + ... + 87107.

It is an arithmetic number, because the mean of its divisors is an integer number (103390560).

Almost surely, 2^3521212002 is an apocalyptic number.

3521212002 is an abundant number, since it is smaller than the sum of its proper divisors (6404281758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3521212002 is a wasteful number, since it uses less digits than its factorization.

3521212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110508 (or 110505 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3521212002 is about 59339.8011624576. The cubic root of 3521212002 is about 1521.3555546485.

Adding to 3521212002 its reverse (2002121253), we get a palindrome (5523333255).

The spelling of 3521212002 in words is "three billion, five hundred twenty-one million, two hundred twelve thousand, two".