1142204122012 has 12 divisors (see below), whose sum is σ = 2052880381720. Its totient is φ = 555666870096.

The previous prime is 1142204122001. The next prime is 1142204122021. The reversal of 1142204122012 is 2102214022411.

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, 3858797562 + ... + 3858797857.

Almost surely, 2^{1142204122012} is an apocalyptic number.

It is an amenable number.

1142204122012 is a deficient number, since it is larger than the sum of its proper divisors (910676259708).

1142204122012 is a wasteful number, since it uses less digits than its factorization.

1142204122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717595460 (or 7717595458 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1142204122012 its reverse (2102214022411), we get a palindrome (3244418144423).

The spelling of 1142204122012 in words is "one trillion, one hundred forty-two billion, two hundred four million, one hundred twenty-two thousand, twelve".