4013021312 has 32 divisors (see below), whose sum is σ = 8415469200. Its totient is φ = 1900903680.

The previous prime is 4013021267. The next prime is 4013021357. The reversal of 4013021312 is 2131203104.

It is an interprime number because it is at equal distance from previous prime (4013021267) and next prime (4013021357).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4013021312² = 32208680101132402688, which contains 22 as substring.

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, 822614 + ... + 827477.

Almost surely, 2^4013021312 is an apocalyptic number.

It is an amenable number.

4013021312 is an abundant number, since it is smaller than the sum of its proper divisors (4402447888).

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

4013021312 is a wasteful number, since it uses less digits than its factorization.

4013021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650124 (or 1650112 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4013021312 is about 63348.4120716534. The cubic root of 4013021312 is about 1589.1216899336.

Adding to 4013021312 its reverse (2131203104), we get a palindrome (6144224416).

The spelling of 4013021312 in words is "four billion, thirteen million, twenty-one thousand, three hundred twelve".