12422321403402 has 16 divisors (see below), whose sum is σ = 25034296570272. Its totient is φ = 4109164840560.

The previous prime is 12422321403347. The next prime is 12422321403403. The reversal of 12422321403402 is 20430412322421.

It is a self number, because there is not a number n which added to its sum of digits gives 12422321403402.

It is not an unprimeable number, because it can be changed into a prime (12422321403403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7902239293 + ... + 7902240864.

It is an arithmetic number, because the mean of its divisors is an integer number (1564643535642).

Almost surely, 2^{12422321403402} is an apocalyptic number.

12422321403402 is an abundant number, since it is smaller than the sum of its proper divisors (12611975166870).

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

12422321403402 is a wasteful number, since it uses less digits than its factorization.

12422321403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804480293.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12422321403402 its reverse (20430412322421), we get a palindrome (32852733725823).

The spelling of 12422321403402 in words is "twelve trillion, four hundred twenty-two billion, three hundred twenty-one million, four hundred three thousand, four hundred two".