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12001201022222 = 211941615024951
BaseRepresentation
bin1010111010100011111101…
…0100101110010100001110
31120111022012100000100112222
42232220333110232110032
53033111424430202342
641305135312055342
72346025643356016
oct256507724562416
946438170010488
1012001201022222
113907754119655
121419ab5b34552
13690929481419
142d6c0b2d6c46
hexaea3f52e50e

12001201022222 has 8 divisors (see below), whose sum is σ = 18001820190672. Its totient is φ = 6000594292000.

The previous prime is 12001201022191. The next prime is 12001201022227. The reversal of 12001201022222 is 22222010210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12001201022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001201022227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124154 + ... + 4900797.

It is an arithmetic number, because the mean of its divisors is an integer number (2250227523834).

Almost surely, 212001201022222 is an apocalyptic number.

12001201022222 is a deficient number, since it is larger than the sum of its proper divisors (6000619168450).

12001201022222 is a wasteful number, since it uses less digits than its factorization.

12001201022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219114.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12001201022222 its reverse (22222010210021), we get a palindrome (34223211232243).

The spelling of 12001201022222 in words is "twelve trillion, one billion, two hundred one million, twenty-two thousand, two hundred twenty-two".