4525121212 has 12 divisors (see below), whose sum is σ = 8174412736. Its totient is φ = 2189574720.

The previous prime is 4525121207. The next prime is 4525121213. The reversal of 4525121212 is 2121215254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525121213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18246333 + ... + 18246580.

Almost surely, 2^4525121212 is an apocalyptic number.

It is an amenable number.

4525121212 is a deficient number, since it is larger than the sum of its proper divisors (3649291524).

4525121212 is a wasteful number, since it uses less digits than its factorization.

4525121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36492948 (or 36492946 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 4525121212 is about 67269.0211910356. The cubic root of 4525121212 is about 1654.0300888333.

Adding to 4525121212 its reverse (2121215254), we get a palindrome (6646336466).

The spelling of 4525121212 in words is "four billion, five hundred twenty-five million, one hundred twenty-one thousand, two hundred twelve".