1121233211012 has 24 divisors (see below), whose sum is σ = 2086100847936. Its totient is φ = 526124195168.

The previous prime is 1121233211009. The next prime is 1121233211023. The reversal of 1121233211012 is 2101123321211.

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, 114969818 + ... + 114979569.

It is an arithmetic number, because the mean of its divisors is an integer number (86920868664).

Almost surely, 2^{1121233211012} is an apocalyptic number.

It is an amenable number.

1121233211012 is a deficient number, since it is larger than the sum of its proper divisors (964867636924).

1121233211012 is a wasteful number, since it uses less digits than its factorization.

1121233211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229949467 (or 229949465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1121233211012 its reverse (2101123321211), we get a palindrome (3222356532223).

The spelling of 1121233211012 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, twelve".