12012220212030 has 64 divisors (see below), whose sum is σ = 33137159227200. Its totient is φ = 3092801523840.

The previous prime is 12012220212029. The next prime is 12012220212053. The reversal of 12012220212030 is 3021202221021.

12012220212030 is a `hidden beast` number, since 1 + 201 + 2 + 220 + 212 + 0 + 30 = 666.

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 = 12012220211994 and 12012220212012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767056041 + ... + 767071700.

It is an arithmetic number, because the mean of its divisors is an integer number (517768112925).

Almost surely, 2^{12012220212030} is an apocalyptic number.

12012220212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012220212030 is an abundant number, since it is smaller than the sum of its proper divisors (21124939015170).

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

12012220212030 is a wasteful number, since it uses less digits than its factorization.

12012220212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534127786 (or 1534127780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12012220212030 its reverse (3021202221021), we get a palindrome (15033422433051).

The spelling of 12012220212030 in words is "twelve trillion, twelve billion, two hundred twenty million, two hundred twelve thousand, thirty".