1121000002012 has 12 divisors (see below), whose sum is σ = 2140090913016. Its totient is φ = 509545455440.

The previous prime is 1121000002009. The next prime is 1121000002019. The reversal of 1121000002012 is 2102000001211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121000002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000002019) 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, 12738636343 + ... + 12738636430.

It is an arithmetic number, because the mean of its divisors is an integer number (178340909418).

Almost surely, 2^{1121000002012} is an apocalyptic number.

It is an amenable number.

1121000002012 is a deficient number, since it is larger than the sum of its proper divisors (1019090911004).

1121000002012 is a wasteful number, since it uses less digits than its factorization.

1121000002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25477272788 (or 25477272786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1121000002012 its reverse (2102000001211), we get a palindrome (3223000003223).

The spelling of 1121000002012 in words is "one trillion, one hundred twenty-one billion, two thousand, twelve".