12012212022120 has 128 divisors (see below), whose sum is σ = 40042285344000. Its totient is φ = 3203130251520.

The previous prime is 12012212022023. The next prime is 12012212022211. The reversal of 12012212022120 is 2122021221021.

It is a happy number.

12012212022120 is a `hidden beast` number, since 1 + 201 + 221 + 2 + 0 + 221 + 20 = 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 = 12012212022093 and 12012212022102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28987746 + ... + 29399214.

It is an arithmetic number, because the mean of its divisors is an integer number (312830354250).

Almost surely, 2^{12012212022120} is an apocalyptic number.

12012212022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012212022120 is an abundant number, since it is smaller than the sum of its proper divisors (28030073321880).

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

12012212022120 is a wasteful number, since it uses less digits than its factorization.

12012212022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438520 (or 438510 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012212022120 its reverse (2122021221021), we get a palindrome (14134233243141).

The spelling of 12012212022120 in words is "twelve trillion, twelve billion, two hundred twelve million, twenty-two thousand, one hundred twenty".