1100012122012 has 12 divisors (see below), whose sum is σ = 1925030416960. Its totient is φ = 550003431456.

The previous prime is 1100012121869. The next prime is 1100012122019. The reversal of 1100012122012 is 2102212100011.

It is a junction number, because it is equal to n+sod(n) for n = 1100012121983 and 1100012122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100012122019) 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, 516928 + ... + 1570744.

Almost surely, 2^{1100012122012} is an apocalyptic number.

It is an amenable number.

1100012122012 is a deficient number, since it is larger than the sum of its proper divisors (825018294948).

1100012122012 is a wasteful number, since it uses less digits than its factorization.

1100012122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314780 (or 1314778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100012122012 its reverse (2102212100011), we get a palindrome (3202224222023).

The spelling of 1100012122012 in words is "one trillion, one hundred billion, twelve million, one hundred twenty-two thousand, twelve".