402043000012 has 48 divisors (see below), whose sum is σ = 752961974688. Its totient is φ = 187166638080.

The previous prime is 402043000003. The next prime is 402043000019. The reversal of 402043000012 is 210000340204.

It is a self number, because there is not a number n which added to its sum of digits gives 402043000012.

It is not an unprimeable number, because it can be changed into a prime (402043000019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17250087 + ... + 17273377.

It is an arithmetic number, because the mean of its divisors is an integer number (15686707806).

Almost surely, 2^402043000012 is an apocalyptic number.

It is an amenable number.

402043000012 is a deficient number, since it is larger than the sum of its proper divisors (350918974676).

402043000012 is a wasteful number, since it uses less digits than its factorization.

402043000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026 (or 26024 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 402043000012 its reverse (210000340204), we get a palindrome (612043340216).

The spelling of 402043000012 in words is "four hundred two billion, forty-three million, twelve", and thus it is an aban number.