1043120551012 has 6 divisors (see below), whose sum is σ = 1825460964278. Its totient is φ = 521560275504.

The previous prime is 1043120551009. The next prime is 1043120551061. The reversal of 1043120551012 is 2101550213401.

It can be written as a sum of positive squares in only one way, i.e., 1001232379456 + 41888171556 = 1000616^2 + 204666^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130390068873 + ... + 130390068880.

Almost surely, 2^{1043120551012} is an apocalyptic number.

It is an amenable number.

1043120551012 is a deficient number, since it is larger than the sum of its proper divisors (782340413266).

1043120551012 is a wasteful number, since it uses less digits than its factorization.

1043120551012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260780137757 (or 260780137755 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1043120551012 its reverse (2101550213401), we get a palindrome (3144670764413).

The spelling of 1043120551012 in words is "one trillion, forty-three billion, one hundred twenty million, five hundred fifty-one thousand, twelve".