30013012220 has 12 divisors (see below), whose sum is σ = 63027325704. Its totient is φ = 12005204880.

The previous prime is 30013012181. The next prime is 30013012229. The reversal of 30013012220 is 2221031003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30013012195 and 30013012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013012229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750325286 + ... + 750325325.

It is an arithmetic number, because the mean of its divisors is an integer number (5252277142).

Almost surely, 2^30013012220 is an apocalyptic number.

It is an amenable number.

30013012220 is an abundant number, since it is smaller than the sum of its proper divisors (33014313484).

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

30013012220 is a wasteful number, since it uses less digits than its factorization.

30013012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500650620 (or 1500650618 counting only the distinct ones).

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

Adding to 30013012220 its reverse (2221031003), we get a palindrome (32234043223).

The spelling of 30013012220 in words is "thirty billion, thirteen million, twelve thousand, two hundred twenty".