3243212140 has 24 divisors (see below), whose sum is σ = 7783709472. Its totient is φ = 1111958400.

The previous prime is 3243212113. The next prime is 3243212183. The reversal of 3243212140 is 412123423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11582761 + ... + 11583040.

It is an arithmetic number, because the mean of its divisors is an integer number (324321228).

Almost surely, 2^3243212140 is an apocalyptic number.

It is an amenable number.

3243212140 is an abundant number, since it is smaller than the sum of its proper divisors (4540497332).

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

3243212140 is a wasteful number, since it uses less digits than its factorization.

3243212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165817 (or 23165815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3243212140 is about 56949.2066669941. The cubic root of 3243212140 is about 1480.2160842275.

Adding to 3243212140 its reverse (412123423), we get a palindrome (3655335563).

The spelling of 3243212140 in words is "three billion, two hundred forty-three million, two hundred twelve thousand, one hundred forty".