30212130132 has 36 divisors (see below), whose sum is σ = 76875323616. Its totient is φ = 10004014800.

The previous prime is 30212130121. The next prime is 30212130167. The reversal of 30212130132 is 23103121203.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30212130132² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2773458 + ... + 2784329.

It is an arithmetic number, because the mean of its divisors is an integer number (2135425656).

Almost surely, 2^30212130132 is an apocalyptic number.

It is an amenable number.

30212130132 is an abundant number, since it is smaller than the sum of its proper divisors (46663193484).

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

30212130132 is a wasteful number, since it uses less digits than its factorization.

30212130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557948 (or 5557943 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30212130132 its reverse (23103121203), we get a palindrome (53315251335).

The spelling of 30212130132 in words is "thirty billion, two hundred twelve million, one hundred thirty thousand, one hundred thirty-two".