402124221242 has 8 divisors (see below), whose sum is σ = 603236805600. Its totient is φ = 201045286044.

The previous prime is 402124221229. The next prime is 402124221299. The reversal of 402124221242 is 242122421204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8382392 + ... + 8430227.

It is an arithmetic number, because the mean of its divisors is an integer number (75404600700).

Almost surely, 2^402124221242 is an apocalyptic number.

402124221242 is a deficient number, since it is larger than the sum of its proper divisors (201112584358).

402124221242 is a wasteful number, since it uses less digits than its factorization.

402124221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824580.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 402124221242 its reverse (242122421204), we get a palindrome (644246642446).

The spelling of 402124221242 in words is "four hundred two billion, one hundred twenty-four million, two hundred twenty-one thousand, two hundred forty-two".