3012311221100 has 18 divisors (see below), whose sum is σ = 6536715350004. Its totient is φ = 1204924488400.

The previous prime is 3012311221091. The next prime is 3012311221159. The reversal of 3012311221100 is 11221132103.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15061556006 + ... + 15061556205.

It is an arithmetic number, because the mean of its divisors is an integer number (363150852778).

Almost surely, 2^{3012311221100} is an apocalyptic number.

It is an amenable number.

3012311221100 is an abundant number, since it is smaller than the sum of its proper divisors (3524404128904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3012311221100 is a wasteful number, since it uses less digits than its factorization.

3012311221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30123112225 (or 30123112218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3012311221100 its reverse (11221132103), we get a palindrome (3023532353203).

The spelling of 3012311221100 in words is "three trillion, twelve billion, three hundred eleven million, two hundred twenty-one thousand, one hundred".