4500001212 has 48 divisors (see below), whose sum is σ = 12022305792. Its totient is φ = 1283325120.

The previous prime is 4500001193. The next prime is 4500001217. The reversal of 4500001212 is 2121000054.

It is a junction number, because it is equal to n+sod(n) for n = 4500001191 and 4500001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500001217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068 + ... + 94955.

It is an arithmetic number, because the mean of its divisors is an integer number (250464704).

Almost surely, 2^4500001212 is an apocalyptic number.

4500001212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4500001212 is an abundant number, since it is smaller than the sum of its proper divisors (7522304580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4500001212 is a wasteful number, since it uses less digits than its factorization.

4500001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99578 (or 99576 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4500001212 is about 67082.0483587077. The cubic root of 4500001212 is about 1650.9637726671.

Adding to 4500001212 its reverse (2121000054), we get a palindrome (6621001266).

The spelling of 4500001212 in words is "four billion, five hundred million, one thousand, two hundred twelve".