4531121212 has 6 divisors (see below), whose sum is σ = 7929462128. Its totient is φ = 2265560604.

The previous prime is 4531121183. The next prime is 4531121219. The reversal of 4531121212 is 2121211354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566390148 + ... + 566390155.

Almost surely, 2^4531121212 is an apocalyptic number.

It is an amenable number.

4531121212 is a deficient number, since it is larger than the sum of its proper divisors (3398340916).

4531121212 is a wasteful number, since it uses less digits than its factorization.

4531121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132780307 (or 1132780305 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 4531121212 is about 67313.6034691354. The cubic root of 4531121212 is about 1654.7608094067.

Adding to 4531121212 its reverse (2121211354), we get a palindrome (6652332566).

The spelling of 4531121212 in words is "four billion, five hundred thirty-one million, one hundred twenty-one thousand, two hundred twelve".