12422021402 has 16 divisors (see below), whose sum is σ = 21297624192. Its totient is φ = 5323040880.

The previous prime is 12422021399. The next prime is 12422021441. The reversal of 12422021402 is 20412022421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65252 + ... + 170592.

It is an arithmetic number, because the mean of its divisors is an integer number (1331101512).

Almost surely, 2^12422021402 is an apocalyptic number.

12422021402 is a deficient number, since it is larger than the sum of its proper divisors (8875602790).

12422021402 is a wasteful number, since it uses less digits than its factorization.

12422021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113773.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12422021402 its reverse (20412022421), we get a palindrome (32834043823).

The spelling of 12422021402 in words is "twelve billion, four hundred twenty-two million, twenty-one thousand, four hundred two".