12012122220102 has 24 divisors (see below), whose sum is σ = 26923722218640. Its totient is φ = 3865970369520.

The previous prime is 12012122220101. The next prime is 12012122220113. The reversal of 12012122220102 is 20102222121021.

It is a happy number.

12012122220102 is a `hidden beast` number, since 120 + 121 + 222 + 201 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012122220101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11505863674 + ... + 11505864717.

It is an arithmetic number, because the mean of its divisors is an integer number (1121821759110).

Almost surely, 2^{12012122220102} is an apocalyptic number.

12012122220102 is an abundant number, since it is smaller than the sum of its proper divisors (14911599998538).

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

12012122220102 is a wasteful number, since it uses less digits than its factorization.

12012122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011728428 (or 23011728425 counting only the distinct ones).

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

Adding to 12012122220102 its reverse (20102222121021), we get a palindrome (32114344341123).

The spelling of 12012122220102 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".