4011220312 has 32 divisors (see below), whose sum is σ = 8687405520. Its totient is φ = 1716029440.

The previous prime is 4011220307. The next prime is 4011220349. The reversal of 4011220312 is 2130221104.

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, 1339153 + ... + 1342144.

Almost surely, 2^4011220312 is an apocalyptic number.

It is an amenable number.

4011220312 is an abundant number, since it is smaller than the sum of its proper divisors (4676185208).

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

4011220312 is a wasteful number, since it uses less digits than its factorization.

4011220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681331 (or 2681327 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4011220312 is about 63334.1954397464. The cubic root of 4011220312 is about 1588.8839275601.

Adding to 4011220312 its reverse (2130221104), we get a palindrome (6141441416).

The spelling of 4011220312 in words is "four billion, eleven million, two hundred twenty thousand, three hundred twelve".