4012003002 has 64 divisors (see below), whose sum is σ = 9458601984. Its totient is φ = 1110734400.

The previous prime is 4012002989. The next prime is 4012003027. The reversal of 4012003002 is 2003002104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189313 + ... + 209435.

It is an arithmetic number, because the mean of its divisors is an integer number (147790656).

Almost surely, 2^4012003002 is an apocalyptic number.

4012003002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012003002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4729300992).

4012003002 is an abundant number, since it is smaller than the sum of its proper divisors (5446598982).

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

4012003002 is a wasteful number, since it uses less digits than its factorization.

4012003002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20283.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4012003002 is about 63340.3741858224. The cubic root of 4012003002 is about 1588.9872645820.

Adding to 4012003002 its reverse (2003002104), we get a palindrome (6015005106).

The spelling of 4012003002 in words is "four billion, twelve million, three thousand, two".