1121202012012 has 24 divisors (see below), whose sum is σ = 2616193356336. Its totient is φ = 373726099968.

The previous prime is 1121202011977. The next prime is 1121202012043. The reversal of 1121202012012 is 2102102021211.

It is a junction number, because it is equal to n+sod(n) for n = 1121202011982 and 1121202012000.

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, 382093 + ... + 1545444.

It is an arithmetic number, because the mean of its divisors is an integer number (109008056514).

Almost surely, 2^{1121202012012} is an apocalyptic number.

1121202012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121202012012 is an abundant number, since it is smaller than the sum of its proper divisors (1494991344324).

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

1121202012012 is a wasteful number, since it uses less digits than its factorization.

1121202012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976017 (or 1976015 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121202012012 its reverse (2102102021211), we get a palindrome (3223304033223).

The spelling of 1121202012012 in words is "one trillion, one hundred twenty-one billion, two hundred two million, twelve thousand, twelve".