402313140012 has 96 divisors (see below), whose sum is σ = 1080417945600. Its totient is φ = 114134711040.

The previous prime is 402313140011. The next prime is 402313140041. The reversal of 402313140012 is 210041313204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (402313140011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64667062 + ... + 64673282.

It is an arithmetic number, because the mean of its divisors is an integer number (11254353600).

Almost surely, 2^402313140012 is an apocalyptic number.

402313140012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402313140012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540208972800).

402313140012 is an abundant number, since it is smaller than the sum of its proper divisors (678104805588).

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

402313140012 is a wasteful number, since it uses less digits than its factorization.

402313140012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551 (or 11549 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 402313140012 its reverse (210041313204), we get a palindrome (612354453216).

The spelling of 402313140012 in words is "four hundred two billion, three hundred thirteen million, one hundred forty thousand, twelve".