30044012100 has 144 divisors (see below), whose sum is σ = 90030237696. Its totient is φ = 7730576000.

The previous prime is 30044012083. The next prime is 30044012123. The reversal of 30044012100 is 121044003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30044012100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 986095 + ... + 1016105.

It is an arithmetic number, because the mean of its divisors is an integer number (625209984).

Almost surely, 2^30044012100 is an apocalyptic number.

30044012100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30044012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45015118848).

30044012100 is an abundant number, since it is smaller than the sum of its proper divisors (59986225596).

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

30044012100 is a wasteful number, since it uses less digits than its factorization.

30044012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30146 (or 30139 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30044012100 its reverse (121044003), we get a palindrome (30165056103).

It can be divided in two parts, 3004 and 4012100, that added together give a palindrome (4015104).

The spelling of 30044012100 in words is "thirty billion, forty-four million, twelve thousand, one hundred".