30012222321020 has 24 divisors (see below), whose sum is σ = 63113324299200. Its totient is φ = 11988192276032.

The previous prime is 30012222320989. The next prime is 30012222321071. The reversal of 30012222321020 is 2012322221003.

It is a happy number.

It is a super-2 number, since 2×30012222321020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30012222320983 and 30012222321001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043526035 + ... + 1043554794.

It is an arithmetic number, because the mean of its divisors is an integer number (2629721845800).

Almost surely, 2^{30012222321020} is an apocalyptic number.

It is an amenable number.

30012222321020 is an abundant number, since it is smaller than the sum of its proper divisors (33101101978180).

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

30012222321020 is a wasteful number, since it uses less digits than its factorization.

30012222321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087081557 (or 2087081555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30012222321020 its reverse (2012322221003), we get a palindrome (32024544542023).

The spelling of 30012222321020 in words is "thirty trillion, twelve billion, two hundred twenty-two million, three hundred twenty-one thousand, twenty".