30201120012 has 72 divisors (see below), whose sum is σ = 82058282544. Its totient is φ = 8620069248.

The previous prime is 30201119983. The next prime is 30201120013. The reversal of 30201120012 is 21002110203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30201120012.

It is not an unprimeable number, because it can be changed into a prime (30201120013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560478 + ... + 611994.

Almost surely, 2^30201120012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41029141272).

30201120012 is an abundant number, since it is smaller than the sum of its proper divisors (51857162532).

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

30201120012 is a wasteful number, since it uses less digits than its factorization.

30201120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52535 (or 52526 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30201120012 its reverse (21002110203), we get a palindrome (51203230215).

The spelling of 30201120012 in words is "thirty billion, two hundred one million, one hundred twenty thousand, twelve".