4551212100 has 72 divisors (see below), whose sum is σ = 13448389248. Its totient is φ = 1187830400.

The previous prime is 4551212059. The next prime is 4551212117. The reversal of 4551212100 is 12121554.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147291 + ... + 175490.

It is an arithmetic number, because the mean of its divisors is an integer number (186783184).

Almost surely, 2^4551212100 is an apocalyptic number.

It is an amenable number.

4551212100 is an abundant number, since it is smaller than the sum of its proper divisors (8897177148).

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

4551212100 is a wasteful number, since it uses less digits than its factorization.

4551212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322845 (or 322838 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 4551212100 is about 67462.6719008371. The cubic root of 4551212100 is about 1657.2029274060.

Adding to 4551212100 its reverse (12121554), we get a palindrome (4563333654).

The spelling of 4551212100 in words is "four billion, five hundred fifty-one million, two hundred twelve thousand, one hundred".