422020012 has 12 divisors (see below), whose sum is σ = 740665800. Its totient is φ = 210401216.

The previous prime is 422020009. The next prime is 422020061. The reversal of 422020012 is 210020224.

It is a junction number, because it is equal to n+sod(n) for n = 422019974 and 422020001.

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, 150637 + ... + 153412.

It is an arithmetic number, because the mean of its divisors is an integer number (61722150).

Almost surely, 2^422020012 is an apocalyptic number.

It is an amenable number.

422020012 is a deficient number, since it is larger than the sum of its proper divisors (318645788).

422020012 is a wasteful number, since it uses less digits than its factorization.

422020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304400 (or 304398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 422020012 is about 20543.1256628586. The cubic root of 422020012 is about 750.0859231929.

Adding to 422020012 its reverse (210020224), we get a palindrome (632040236).

The spelling of 422020012 in words is "four hundred twenty-two million, twenty thousand, twelve".