3216740212 has 24 divisors (see below), whose sum is σ = 6462342656. Its totient is φ = 1372418208.

The previous prime is 3216740209. The next prime is 3216740231. The reversal of 3216740212 is 2120476123.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 251343 + ... + 263830.

Almost surely, 2^3216740212 is an apocalyptic number.

It is an amenable number.

3216740212 is an abundant number, since it is smaller than the sum of its proper divisors (3245602444).

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

3216740212 is a wasteful number, since it uses less digits than its factorization.

3216740212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515407 (or 515405 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3216740212 is about 56716.3134556540. The cubic root of 3216740212 is about 1476.1777760718.

The spelling of 3216740212 in words is "three billion, two hundred sixteen million, seven hundred forty thousand, two hundred twelve".