1121040401212 has 12 divisors (see below), whose sum is σ = 1965256469176. Its totient is φ = 559538552880.

The previous prime is 1121040401191. The next prime is 1121040401227. The reversal of 1121040401212 is 2121040401211.

It is a happy number.

It is a super-2 number, since 2×1121040401212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121040401212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245409363 + ... + 245413930.

Almost surely, 2^{1121040401212} is an apocalyptic number.

It is an amenable number.

1121040401212 is a deficient number, since it is larger than the sum of its proper divisors (844216067964).

1121040401212 is a wasteful number, since it uses less digits than its factorization.

1121040401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490823868 (or 490823866 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1121040401212 its reverse (2121040401211), we get a palindrome (3242080802423).

Subtracting 1121040401212 from its reverse (2121040401211), we obtain a palindrome (999999999999).

The spelling of 1121040401212 in words is "one trillion, one hundred twenty-one billion, forty million, four hundred one thousand, two hundred twelve".