4451100012 has 72 divisors (see below), whose sum is σ = 11700344656. Its totient is φ = 1479601728.

The previous prime is 4451099971. The next prime is 4451100023. The reversal of 4451100012 is 2100011544.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 356418 + ... + 368694.

Almost surely, 2^4451100012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4451100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5850172328).

4451100012 is an abundant number, since it is smaller than the sum of its proper divisors (7249244644).

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

4451100012 is a wasteful number, since it uses less digits than its factorization.

4451100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 4451100012 is about 66716.5647496932. The cubic root of 4451100012 is about 1644.9616756130.

Adding to 4451100012 its reverse (2100011544), we get a palindrome (6551111556).

The spelling of 4451100012 in words is "four billion, four hundred fifty-one million, one hundred thousand, twelve".