421212004330042 has 24 divisors (see below), whose sum is σ = 671962463442144. Its totient is φ = 197648290732464.

The previous prime is 421212004330003. The next prime is 421212004330043. The reversal of 421212004330042 is 240033400212124.

It is not an unprimeable number, because it can be changed into a prime (421212004330043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1629771588 + ... + 1630030015.

It is an arithmetic number, because the mean of its divisors is an integer number (27998435976756).

Almost surely, 2^{421212004330042} is an apocalyptic number.

421212004330042 is a deficient number, since it is larger than the sum of its proper divisors (250750459112102).

421212004330042 is a wasteful number, since it uses less digits than its factorization.

421212004330042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259801734 (or 3259801681 counting only the distinct ones).

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

Adding to 421212004330042 its reverse (240033400212124), we get a palindrome (661245404542166).

The spelling of 421212004330042 in words is "four hundred twenty-one trillion, two hundred twelve billion, four million, three hundred thirty thousand, forty-two".