3642135212 has 12 divisors (see below), whose sum is σ = 6406092000. Its totient is φ = 1811823216.

The previous prime is 3642135197. The next prime is 3642135241. The reversal of 3642135212 is 2125312463.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310212 + ... + 2311787.

It is an arithmetic number, because the mean of its divisors is an integer number (533841000).

Almost surely, 2^3642135212 is an apocalyptic number.

It is an amenable number.

3642135212 is a deficient number, since it is larger than the sum of its proper divisors (2763956788).

3642135212 is a wasteful number, since it uses less digits than its factorization.

3642135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622200 (or 4622198 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 3642135212 is about 60350.1053188808. The cubic root of 3642135212 is about 1538.5750596209.

Adding to 3642135212 its reverse (2125312463), we get a palindrome (5767447675).

The spelling of 3642135212 in words is "three billion, six hundred forty-two million, one hundred thirty-five thousand, two hundred twelve".