221214333012 has 24 divisors (see below), whose sum is σ = 518786918496. Its totient is φ = 73363805088.

The previous prime is 221214333007. The next prime is 221214333023. The reversal of 221214333012 is 210333412122.

221214333012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221214333012² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46785778 + ... + 46790505.

It is an arithmetic number, because the mean of its divisors is an integer number (21616121604).

Almost surely, 2^221214333012 is an apocalyptic number.

It is an amenable number.

221214333012 is an abundant number, since it is smaller than the sum of its proper divisors (297572585484).

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

221214333012 is a wasteful number, since it uses less digits than its factorization.

221214333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93576487 (or 93576485 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221214333012 its reverse (210333412122), we get a palindrome (431547745134).

The spelling of 221214333012 in words is "two hundred twenty-one billion, two hundred fourteen million, three hundred thirty-three thousand, twelve".