421212033 has 48 divisors (see below), whose sum is σ = 693576000. Its totient is φ = 244045440.

The previous prime is 421212023. The next prime is 421212059. The reversal of 421212033 is 330212124.

421212033 is a `hidden beast` number, since 421 + 212 + 0 + 33 = 666.

It is not a de Polignac number, because 421212033 - 2⁹ = 421211521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421211997 and 421212015.

It is not an unprimeable number, because it can be changed into a prime (421212023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215143 + ... + 217091.

It is an arithmetic number, because the mean of its divisors is an integer number (14449500).

Almost surely, 2^421212033 is an apocalyptic number.

It is an amenable number.

421212033 is a deficient number, since it is larger than the sum of its proper divisors (272363967).

421212033 is a wasteful number, since it uses less digits than its factorization.

421212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 421212033 is about 20523.4508063337. The cubic root of 421212033 is about 749.6069246917.

Adding to 421212033 its reverse (330212124), we get a palindrome (751424157).

Subtracting from 421212033 its reverse (330212124), we obtain a palindrome (90999909).

The spelling of 421212033 in words is "four hundred twenty-one million, two hundred twelve thousand, thirty-three".