12011212020122 has 32 divisors (see below), whose sum is σ = 21330503967744. Its totient is φ = 4963880476800.

The previous prime is 12011212020109. The next prime is 12011212020131. The reversal of 12011212020122 is 22102021211021.

It is a super-2 number, since 2×12011212020122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12011212020122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49122893 + ... + 49366800.

It is an arithmetic number, because the mean of its divisors is an integer number (666578248992).

Almost surely, 2^{12011212020122} is an apocalyptic number.

12011212020122 is a deficient number, since it is larger than the sum of its proper divisors (9319291947622).

12011212020122 is a wasteful number, since it uses less digits than its factorization.

12011212020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98490014.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12011212020122 its reverse (22102021211021), we get a palindrome (34113233231143).

The spelling of 12011212020122 in words is "twelve trillion, eleven billion, two hundred twelve million, twenty thousand, one hundred twenty-two".