1200220022012 has 96 divisors (see below), whose sum is σ = 2331315350784. Its totient is φ = 536131814400.

The previous prime is 1200220022009. The next prime is 1200220022021. The reversal of 1200220022012 is 2102200220021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439478687 + ... + 439481417.

It is an arithmetic number, because the mean of its divisors is an integer number (24284534904).

Almost surely, 2^{1200220022012} is an apocalyptic number.

It is an amenable number.

1200220022012 is a deficient number, since it is larger than the sum of its proper divisors (1131095328772).

1200220022012 is a wasteful number, since it uses less digits than its factorization.

1200220022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579 (or 3577 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200220022012 its reverse (2102200220021), we get a palindrome (3302420242033).

The spelling of 1200220022012 in words is "one trillion, two hundred billion, two hundred twenty million, twenty-two thousand, twelve".