3912001228 has 24 divisors (see below), whose sum is σ = 7069368320. Its totient is φ = 1892226960.

The previous prime is 3912001217. The next prime is 3912001229. The reversal of 3912001228 is 8221002193.

3912001228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3912001196 and 3912001205.

It is not an unprimeable number, because it can be changed into a prime (3912001229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631675 + ... + 637837.

Almost surely, 2^3912001228 is an apocalyptic number.

It is an amenable number.

3912001228 is a deficient number, since it is larger than the sum of its proper divisors (3157367092).

3912001228 is a wasteful number, since it uses less digits than its factorization.

3912001228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317 (or 11315 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 3912001228 is about 62545.9929012243. The cubic root of 3912001228 is about 1575.6738499633.

The spelling of 3912001228 in words is "three billion, nine hundred twelve million, one thousand, two hundred twenty-eight".