1111001210012 has 12 divisors (see below), whose sum is σ = 1944259642416. Its totient is φ = 555498455040.

The previous prime is 1111001209991. The next prime is 1111001210017. The reversal of 1111001210012 is 2100121001111.

It is a junction number, because it is equal to n+sod(n) for n = 1111001209975 and 1111001210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111001210017) 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, 1406108 + ... + 2049180.

It is an arithmetic number, because the mean of its divisors is an integer number (162021636868).

Almost surely, 2^{1111001210012} is an apocalyptic number.

It is an amenable number.

1111001210012 is a deficient number, since it is larger than the sum of its proper divisors (833258432404).

1111001210012 is a wasteful number, since it uses less digits than its factorization.

1111001210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074988 (or 1074986 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111001210012 its reverse (2100121001111), we get a palindrome (3211122211123).

The spelling of 1111001210012 in words is "one trillion, one hundred eleven billion, one million, two hundred ten thousand, twelve".