30220120032012 has 72 divisors (see below), whose sum is σ = 77230181428400. Its totient is φ = 9962689333248.

The previous prime is 30220120031929. The next prime is 30220120032017. The reversal of 30220120032012 is 21023002102203.

30220120032012 is a `hidden beast` number, since 3 + 0 + 220 + 120 + 0 + 320 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30220120032017) 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, 2129064 + ... + 8060592.

Almost surely, 2^{30220120032012} is an apocalyptic number.

It is an amenable number.

30220120032012 is an abundant number, since it is smaller than the sum of its proper divisors (47010061396388).

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

30220120032012 is a wasteful number, since it uses less digits than its factorization.

30220120032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933095 (or 5933090 counting only the distinct ones).

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

Adding to 30220120032012 its reverse (21023002102203), we get a palindrome (51243122134215).

The spelling of 30220120032012 in words is "thirty trillion, two hundred twenty billion, one hundred twenty million, thirty-two thousand, twelve".