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1201022211112 = 23163943997577
BaseRepresentation
bin10001011110100010100…
…000001001010000101000
311020211001022011211000021
4101132202200021100220
5124134143141223422
62315424134050224
7152525310232243
oct21364240112050
94224038154007
101201022211112
11423394800469
12174923aa9974
1389343300859
14421b61b825a
1521394807dc7
hex117a2809428

1201022211112 has 32 divisors (see below), whose sum is σ = 2265995347200. Its totient is φ = 596757642624.

The previous prime is 1201022211007. The next prime is 1201022211113. The reversal of 1201022211112 is 2111122201021.

It is not an unprimeable number, because it can be changed into a prime (1201022211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12259668 + ... + 12357244.

It is an arithmetic number, because the mean of its divisors is an integer number (70812354600).

Almost surely, 21201022211112 is an apocalyptic number.

It is an amenable number.

1201022211112 is a deficient number, since it is larger than the sum of its proper divisors (1064973136088).

1201022211112 is a wasteful number, since it uses less digits than its factorization.

1201022211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107185 (or 107181 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201022211112 its reverse (2111122201021), we get a palindrome (3312144412133).

The spelling of 1201022211112 in words is "one trillion, two hundred one billion, twenty-two million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 163 326 652 1304 9439 18878 37756 75512 97577 195154 390308 780616 1538557 3077114 6154228 12308456 15905051 31810102 63620204 127240408 921029303 1842058606 3684117212 7368234424 150127776389 300255552778 600511105556 1201022211112