30212130020 has 48 divisors (see below), whose sum is σ = 66058490736. Its totient is φ = 11596800000.

The previous prime is 30212129953. The next prime is 30212130041. The reversal of 30212130020 is 2003121203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7526950564 + 22685179456 = 86758^2 + 150616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30212129977 and 30212130004.

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 15 ways as a sum of consecutive naturals, for example, 251981 + ... + 352020.

It is an arithmetic number, because the mean of its divisors is an integer number (1376218557).

Almost surely, 2^30212130020 is an apocalyptic number.

It is an amenable number.

30212130020 is an abundant number, since it is smaller than the sum of its proper divisors (35846360716).

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

30212130020 is a wasteful number, since it uses less digits than its factorization.

30212130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604112 (or 604110 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30212130020 its reverse (2003121203), we get a palindrome (32215251223).

The spelling of 30212130020 in words is "thirty billion, two hundred twelve million, one hundred thirty thousand, twenty".