30212312020 has 48 divisors (see below), whose sum is σ = 69991387200. Its totient is φ = 10862846720.

The previous prime is 30212311999. The next prime is 30212312023. The reversal of 30212312020 is 2021321203.

It is a junction number, because it is equal to n+sod(n) for n = 30212311985 and 30212312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212312023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751930 + ... + 791089.

It is an arithmetic number, because the mean of its divisors is an integer number (1458153900).

Almost surely, 2^30212312020 is an apocalyptic number.

It is an amenable number.

30212312020 is an abundant number, since it is smaller than the sum of its proper divisors (39779075180).

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

30212312020 is a wasteful number, since it uses less digits than its factorization.

30212312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543128 (or 1543126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30212312020 its reverse (2021321203), we get a palindrome (32233633223).

The spelling of 30212312020 in words is "thirty billion, two hundred twelve million, three hundred twelve thousand, twenty".