1201011122012 has 12 divisors (see below), whose sum is σ = 2263444037736. Its totient is φ = 554312825520.

The previous prime is 1201011122011. The next prime is 1201011122057. The reversal of 1201011122012 is 2102211101021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011122011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11548183814 + ... + 11548183917.

It is an arithmetic number, because the mean of its divisors is an integer number (188620336478).

Almost surely, 2^{1201011122012} is an apocalyptic number.

It is an amenable number.

1201011122012 is a deficient number, since it is larger than the sum of its proper divisors (1062432915724).

1201011122012 is a wasteful number, since it uses less digits than its factorization.

1201011122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23096367748 (or 23096367746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201011122012 its reverse (2102211101021), we get a palindrome (3303222223033).

The spelling of 1201011122012 in words is "one trillion, two hundred one billion, eleven million, one hundred twenty-two thousand, twelve".