2012122201122 has 64 divisors (see below), whose sum is σ = 4878078940800. Its totient is φ = 609708133440.

The previous prime is 2012122201121. The next prime is 2012122201151. The reversal of 2012122201122 is 2211022212102.

It is a happy number.

2012122201122 is a `hidden beast` number, since 201 + 212 + 220 + 11 + 22 = 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 = 2012122201095 and 2012122201104.

It is not an unprimeable number, because it can be changed into a prime (2012122201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17594904 + ... + 17708892.

It is an arithmetic number, because the mean of its divisors is an integer number (76219983450).

Almost surely, 2^{2012122201122} is an apocalyptic number.

2012122201122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012122201122 is an abundant number, since it is smaller than the sum of its proper divisors (2865956739678).

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

2012122201122 is a wasteful number, since it uses less digits than its factorization.

2012122201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143728 (or 143722 counting only the distinct ones).

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

Adding to 2012122201122 its reverse (2211022212102), we get a palindrome (4223144413224).

The spelling of 2012122201122 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-two".