4002012112 has 20 divisors (see below), whose sum is σ = 8861598496. Its totient is φ = 1715148000.

The previous prime is 4002012103. The next prime is 4002012169. The reversal of 4002012112 is 2112102004.

It is a happy number.

It is a super-2 number, since 2×4002012112² = 32032201889189401088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4002012092 and 4002012101.

It is a congruent 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, 17866014 + ... + 17866237.

Almost surely, 2^4002012112 is an apocalyptic number.

It is an amenable number.

4002012112 is an abundant number, since it is smaller than the sum of its proper divisors (4859586384).

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

4002012112 is a wasteful number, since it uses less digits than its factorization.

4002012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35732266 (or 35732260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4002012112 is about 63261.4583455045. The cubic root of 4002012112 is about 1587.6671764093.

Adding to 4002012112 its reverse (2112102004), we get a palindrome (6114114116).

The spelling of 4002012112 in words is "four billion, two million, twelve thousand, one hundred twelve".