Search a number
-
+
12222020210212 = 2247363717874827
BaseRepresentation
bin1011000111011010100100…
…1011000100111000100100
31121021102011121021100222001
42301312221023010320210
53100221144133211322
641554415113415044
72401004024451061
oct261665113047044
947242147240861
1012222020210212
11399236986593a
121454861a0a484
136a86baab8a37
143037983c1c68
15162dc9666827
hexb1da92c4e24

12222020210212 has 24 divisors (see below), whose sum is σ = 21849617752704. Its totient is φ = 5979343794912.

The previous prime is 12222020210209. The next prime is 12222020210293. The reversal of 12222020210212 is 21201202022221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222020210212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8253658 + ... + 9621169.

It is an arithmetic number, because the mean of its divisors is an integer number (910400739696).

Almost surely, 212222020210212 is an apocalyptic number.

It is an amenable number.

12222020210212 is a deficient number, since it is larger than the sum of its proper divisors (9627597542492).

12222020210212 is a wasteful number, since it uses less digits than its factorization.

12222020210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17878515 (or 17878513 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222020210212 its reverse (21201202022221), we get a palindrome (33423222232433).

The spelling of 12222020210212 in words is "twelve trillion, two hundred twenty-two billion, twenty million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 3637 7274 14548 170939 341878 683756 17874827 35749654 71499308 840116869 1680233738 3360467476 65010745799 130021491598 260042983196 3055505052553 6111010105106 12222020210212