1122122122012 has 24 divisors (see below), whose sum is σ = 1974388776192. Its totient is φ = 558012216000.

The previous prime is 1122122121937. The next prime is 1122122122013. The reversal of 1122122122012 is 2102212212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122122122013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753198 + ... + 4041130.

It is an arithmetic number, because the mean of its divisors is an integer number (82266199008).

Almost surely, 2^{1122122122012} is an apocalyptic number.

It is an amenable number.

1122122122012 is a deficient number, since it is larger than the sum of its proper divisors (852266654180).

1122122122012 is a wasteful number, since it uses less digits than its factorization.

1122122122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293229 (or 293227 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122122122012 its reverse (2102212212211), we get a palindrome (3224334334223).

The spelling of 1122122122012 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".