2135220612 has 48 divisors (see below), whose sum is σ = 5712537600. Its totient is φ = 608068512.

The previous prime is 2135220569. The next prime is 2135220623. The reversal of 2135220612 is 2160225312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15612 + ... + 67187.

It is an arithmetic number, because the mean of its divisors is an integer number (119011200).

Almost surely, 2^2135220612 is an apocalyptic number.

It is an amenable number.

2135220612 is an abundant number, since it is smaller than the sum of its proper divisors (3577316988).

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

2135220612 is a wasteful number, since it uses less digits than its factorization.

2135220612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83120 (or 83118 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2135220612 is about 46208.4474095376. The cubic root of 2135220612 is about 1287.6986816521.

Adding to 2135220612 its reverse (2160225312), we get a palindrome (4295445924).

The spelling of 2135220612 in words is "two billion, one hundred thirty-five million, two hundred twenty thousand, six hundred twelve".