12011201331122 has 12 divisors (see below), whose sum is σ = 20958320690190. Its totient is φ = 5147657713296.

The previous prime is 12011201331121. The next prime is 12011201331137. The reversal of 12011201331122 is 22113310211021.

It can be written as a sum of positive squares in only one way, i.e., 11763795565921 + 247405765201 = 3429839^2 + 497399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12011201331094 and 12011201331103.

It is not an unprimeable number, because it can be changed into a prime (12011201331121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61281639347 + ... + 61281639542.

Almost surely, 2^{12011201331122} is an apocalyptic number.

12011201331122 is a deficient number, since it is larger than the sum of its proper divisors (8947119359068).

12011201331122 is a wasteful number, since it uses less digits than its factorization.

12011201331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122563278905 (or 122563278898 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12011201331122 its reverse (22113310211021), we get a palindrome (34124511542143).

The spelling of 12011201331122 in words is "twelve trillion, eleven billion, two hundred one million, three hundred thirty-one thousand, one hundred twenty-two".