30212130020220 has 36 divisors (see below), whose sum is σ = 91643461061880. Its totient is φ = 8056568005344.

The previous prime is 30212130020197. The next prime is 30212130020221. The reversal of 30212130020220 is 2202003121203.

30212130020220 is a `hidden beast` number, since 3 + 0 + 2 + 121 + 300 + 20 + 220 = 666.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 30212130020193 and 30212130020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212130020221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83922583210 + ... + 83922583569.

Almost surely, 2^{30212130020220} is an apocalyptic number.

30212130020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212130020220 is an abundant number, since it is smaller than the sum of its proper divisors (61431331041660).

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

30212130020220 is a wasteful number, since it uses less digits than its factorization.

30212130020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167845166794 (or 167845166789 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30212130020220 its reverse (2202003121203), we get a palindrome (32414133141423).

The spelling of 30212130020220 in words is "thirty trillion, two hundred twelve billion, one hundred thirty million, twenty thousand, two hundred twenty".