1121004552412 has 36 divisors (see below), whose sum is σ = 1978185052480. Its totient is φ = 555836588352.

The previous prime is 1121004552407. The next prime is 1121004552427. The reversal of 1121004552412 is 2142554001211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61689664 + ... + 61707832.

Almost surely, 2^{1121004552412} is an apocalyptic number.

It is an amenable number.

1121004552412 is a deficient number, since it is larger than the sum of its proper divisors (857180500068).

1121004552412 is a wasteful number, since it uses less digits than its factorization.

1121004552412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18922 (or 18657 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1121004552412 its reverse (2142554001211), we get a palindrome (3263558553623).

The spelling of 1121004552412 in words is "one trillion, one hundred twenty-one billion, four million, five hundred fifty-two thousand, four hundred twelve".