42121430400322 has 144 divisors (see below), whose sum is σ = 80959777577280. Its totient is φ = 16375993006464.

The previous prime is 42121430400311. The next prime is 42121430400437. The reversal of 42121430400322 is 22300403412124.

42121430400322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42121430400322² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6031992843 + ... + 6031999825.

It is an arithmetic number, because the mean of its divisors is an integer number (562220677620).

Almost surely, 2^{42121430400322} is an apocalyptic number.

42121430400322 is a deficient number, since it is larger than the sum of its proper divisors (38838347176958).

42121430400322 is a wasteful number, since it uses less digits than its factorization.

42121430400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257 (or 13237 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42121430400322 its reverse (22300403412124), we get a palindrome (64421833812446).

The spelling of 42121430400322 in words is "forty-two trillion, one hundred twenty-one billion, four hundred thirty million, four hundred thousand, three hundred twenty-two".