402330012 has 48 divisors (see below), whose sum is σ = 1074931200. Its totient is φ = 114731712.

The previous prime is 402330001. The next prime is 402330013. The reversal of 402330012 is 210033204.

It is a junction number, because it is equal to n+sod(n) for n = 402329973 and 402330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402330013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42489 + ... + 51087.

It is an arithmetic number, because the mean of its divisors is an integer number (22394400).

Almost surely, 2^402330012 is an apocalyptic number.

402330012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402330012 is an abundant number, since it is smaller than the sum of its proper divisors (672601188).

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

402330012 is a wasteful number, since it uses less digits than its factorization.

402330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170 (or 9168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402330012 is about 20058.1657187291. The cubic root of 402330012 is about 738.2341704433.

Adding to 402330012 its reverse (210033204), we get a palindrome (612363216).

The spelling of 402330012 in words is "four hundred two million, three hundred thirty thousand, twelve".