420201212 has 12 divisors (see below), whose sum is σ = 736761816. Its totient is φ = 209697840.

The previous prime is 420201163. The next prime is 420201239. The reversal of 420201212 is 212102024.

It is a congruent number.

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, 98339 + ... + 102522.

It is an arithmetic number, because the mean of its divisors is an integer number (61396818).

Almost surely, 2^420201212 is an apocalyptic number.

It is an amenable number.

420201212 is a deficient number, since it is larger than the sum of its proper divisors (316560604).

420201212 is a wasteful number, since it uses less digits than its factorization.

420201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201388 (or 201386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 420201212 is about 20498.8100142423. The cubic root of 420201212 is about 749.0068109776.

Adding to 420201212 its reverse (212102024), we get a palindrome (632303236).

It can be divided in two parts, 4202012 and 12, that added together give a palindrome (4202024).

The spelling of 420201212 in words is "four hundred twenty million, two hundred one thousand, two hundred twelve".