30342403212 has 96 divisors (see below), whose sum is σ = 79431475200. Its totient is φ = 8935375680.

The previous prime is 30342403181. The next prime is 30342403237. The reversal of 30342403212 is 21230424303.

It is a super-2 number, since 2×30342403212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1116093 + ... + 1142955.

It is an arithmetic number, because the mean of its divisors is an integer number (827411200).

Almost surely, 2^30342403212 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 30342403212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39715737600).

30342403212 is an abundant number, since it is smaller than the sum of its proper divisors (49089071988).

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

30342403212 is a wasteful number, since it uses less digits than its factorization.

30342403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27123 (or 27121 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30342403212 its reverse (21230424303), we get a palindrome (51572827515).

The spelling of 30342403212 in words is "thirty billion, three hundred forty-two million, four hundred three thousand, two hundred twelve".