1111210212012 has 24 divisors (see below), whose sum is σ = 2592980178096. Its totient is φ = 370381068288.

The previous prime is 1111210211987. The next prime is 1111210212023. The reversal of 1111210212012 is 2102120121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111210211982 and 1111210212000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584053 + ... + 2983244.

It is an arithmetic number, because the mean of its divisors is an integer number (108040840754).

Almost surely, 2^{1111210212012} is an apocalyptic number.

1111210212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111210212012 is an abundant number, since it is smaller than the sum of its proper divisors (1481769966084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111210212012 is a wasteful number, since it uses less digits than its factorization.

1111210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583937 (or 5583935 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111210212012 its reverse (2102120121111), we get a palindrome (3213330333123).

Subtracting 1111210212012 from its reverse (2102120121111), we obtain a palindrome (990909909099).

It can be divided in two parts, 1111 and 210212012, that multiplied together give a palindrome (233545545332).

The spelling of 1111210212012 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twelve thousand, twelve".