402032012 has 6 divisors (see below), whose sum is σ = 703556028. Its totient is φ = 201016004.

The previous prime is 402032011. The next prime is 402032021. The reversal of 402032012 is 210230204.

It is not an unprimeable number, because it can be changed into a prime (402032011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253998 + ... + 50254005.

It is an arithmetic number, because the mean of its divisors is an integer number (117259338).

Almost surely, 2^402032012 is an apocalyptic number.

It is an amenable number.

402032012 is a deficient number, since it is larger than the sum of its proper divisors (301524016).

402032012 is a wasteful number, since it uses less digits than its factorization.

402032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100508007 (or 100508005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 402032012 is about 20050.7359465931. The cubic root of 402032012 is about 738.0518589792.

Adding to 402032012 its reverse (210230204), we get a palindrome (612262216).

The spelling of 402032012 in words is "four hundred two million, thirty-two thousand, twelve".