3021205111212 has 12 divisors (see below), whose sum is σ = 7049478592856. Its totient is φ = 1007068370400.

The previous prime is 3021205111187. The next prime is 3021205111229. The reversal of 3021205111212 is 2121115021203.

It is a tau number, because it is divible by the number of its divisors (12).

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, 125883546289 + ... + 125883546312.

Almost surely, 2^{3021205111212} is an apocalyptic number.

It is an amenable number.

3021205111212 is an abundant number, since it is smaller than the sum of its proper divisors (4028273481644).

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

3021205111212 is a wasteful number, since it uses less digits than its factorization.

3021205111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251767092608 (or 251767092606 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Subtracting from 3021205111212 its reverse (2121115021203), we obtain a palindrome (900090090009).

The spelling of 3021205111212 in words is "three trillion, twenty-one billion, two hundred five million, one hundred eleven thousand, two hundred twelve".