30042203412 has 96 divisors (see below), whose sum is σ = 80044675200. Its totient is φ = 8687665152.

The previous prime is 30042203371. The next prime is 30042203417. The reversal of 30042203412 is 21430224003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042203417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952164 + ... + 1967492.

It is an arithmetic number, because the mean of its divisors is an integer number (833798700).

Almost surely, 2^30042203412 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 30042203412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40022337600).

30042203412 is an abundant number, since it is smaller than the sum of its proper divisors (50002471788).

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

30042203412 is a wasteful number, since it uses less digits than its factorization.

30042203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105 (or 16103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30042203412 its reverse (21430224003), we get a palindrome (51472427415).

The spelling of 30042203412 in words is "thirty billion, forty-two million, two hundred three thousand, four hundred twelve".