221140133212 has 12 divisors (see below), whose sum is σ = 386998559416. Its totient is φ = 110569116240.

The previous prime is 221140133197. The next prime is 221140133231. The reversal of 221140133212 is 212331041122.

It is a super-2 number, since 2×221140133212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677983 + ... + 949705.

Almost surely, 2^221140133212 is an apocalyptic number.

It is an amenable number.

221140133212 is a deficient number, since it is larger than the sum of its proper divisors (165858426204).

221140133212 is a wasteful number, since it uses less digits than its factorization.

221140133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475188 (or 475186 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221140133212 its reverse (212331041122), we get a palindrome (433471174334).

The spelling of 221140133212 in words is "two hundred twenty-one billion, one hundred forty million, one hundred thirty-three thousand, two hundred twelve".