402234102312 has 64 divisors (see below), whose sum is σ = 1158289489920. Its totient is φ = 114019109568.

The previous prime is 402234102293. The next prime is 402234102317. The reversal of 402234102312 is 213201432204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402234102317) 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, 9404848 + ... + 9447519.

It is an arithmetic number, because the mean of its divisors is an integer number (18098273280).

Almost surely, 2^402234102312 is an apocalyptic number.

402234102312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402234102312 is an abundant number, since it is smaller than the sum of its proper divisors (756055387608).

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

402234102312 is a wasteful number, since it uses less digits than its factorization.

402234102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18852510 (or 18852506 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 402234102312 its reverse (213201432204), we get a palindrome (615435534516).

The spelling of 402234102312 in words is "four hundred two billion, two hundred thirty-four million, one hundred two thousand, three hundred twelve".