2002011312 has 40 divisors (see below), whose sum is σ = 5910701056. Its totient is φ = 572003136.

The previous prime is 2002011311. The next prime is 2002011313. The reversal of 2002011312 is 2131102002.

It is an interprime number because it is at equal distance from previous prime (2002011311) and next prime (2002011313).

It is a super-2 number, since 2×2002011312² = 8016098586751922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2002011311) 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, 2978848 + ... + 2979519.

Almost surely, 2^2002011312 is an apocalyptic number.

It is an amenable number.

2002011312 is an abundant number, since it is smaller than the sum of its proper divisors (3908689744).

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

2002011312 is a wasteful number, since it uses less digits than its factorization.

2002011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958385 (or 5958379 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2002011312 is about 44743.8410510318. The cubic root of 2002011312 is about 1260.3432574491.

Adding to 2002011312 its reverse (2131102002), we get a palindrome (4133113314).

The spelling of 2002011312 in words is "two billion, two million, eleven thousand, three hundred twelve".