30212131332 has 96 divisors (see below), whose sum is σ = 76544504064. Its totient is φ = 9237196800.

The previous prime is 30212131331. The next prime is 30212131343. The reversal of 30212131332 is 23313121203.

It is a junction number, because it is equal to n+sod(n) for n = 30212131299 and 30212131308.

It is not an unprimeable number, because it can be changed into a prime (30212131331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12904482 + ... + 12906822.

It is an arithmetic number, because the mean of its divisors is an integer number (797338584).

Almost surely, 2^30212131332 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 30212131332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38272252032).

30212131332 is an abundant number, since it is smaller than the sum of its proper divisors (46332372732).

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

30212131332 is a wasteful number, since it uses less digits than its factorization.

30212131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30212131332 its reverse (23313121203), we get a palindrome (53525252535).

The spelling of 30212131332 in words is "thirty billion, two hundred twelve million, one hundred thirty-one thousand, three hundred thirty-two".