402224020412 has 12 divisors (see below), whose sum is σ = 705111956640. Its totient is φ = 200763461376.

The previous prime is 402224020411. The next prime is 402224020477. The reversal of 402224020412 is 214020422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402224020411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87134612 + ... + 87139227.

It is an arithmetic number, because the mean of its divisors is an integer number (58759329720).

Almost surely, 2^402224020412 is an apocalyptic number.

It is an amenable number.

402224020412 is a deficient number, since it is larger than the sum of its proper divisors (302887936228).

402224020412 is a wasteful number, since it uses less digits than its factorization.

402224020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174274420 (or 174274418 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 402224020412 its reverse (214020422204), we get a palindrome (616244442616).

The spelling of 402224020412 in words is "four hundred two billion, two hundred twenty-four million, twenty thousand, four hundred twelve".