221212300120132 has 12 divisors (see below), whose sum is σ = 392899458422800. Its totient is φ = 108955311999336.

The previous prime is 221212300120127. The next prime is 221212300120177. The reversal of 221212300120132 is 231021003212122.

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, 412709514882 + ... + 412709515417.

Almost surely, 2^{221212300120132} is an apocalyptic number.

It is an amenable number.

221212300120132 is a deficient number, since it is larger than the sum of its proper divisors (171687158302668).

221212300120132 is a wasteful number, since it uses less digits than its factorization.

221212300120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825419030370 (or 825419030368 counting only the distinct ones).

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

Adding to 221212300120132 its reverse (231021003212122), we get a palindrome (452233303332254).

The spelling of 221212300120132 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred million, one hundred twenty thousand, one hundred thirty-two".