Search a number
-
+
12020012021222 = 22310722189110059
BaseRepresentation
bin1010111011101010000010…
…0010111111010111100110
31120120002202022020010001122
42232322200202333113212
53033413441034134342
641321530045053542
72350263050254502
oct256724042772746
946502668203048
1012020012021222
113914727474617
1214216858572b2
1369263671606a
142d7ab3713302
1515ca04c634d2
hexaeea08bf5e6

12020012021222 has 32 divisors (see below), whose sum is σ = 18990791366400. Its totient is φ = 5694666820128.

The previous prime is 12020012021197. The next prime is 12020012021249. The reversal of 12020012021222 is 22212021002021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020012021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109159229 + ... + 109269287.

It is an arithmetic number, because the mean of its divisors is an integer number (593462230200).

Almost surely, 212020012021222 is an apocalyptic number.

12020012021222 is a deficient number, since it is larger than the sum of its proper divisors (6970779345178).

12020012021222 is a wasteful number, since it uses less digits than its factorization.

12020012021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132380.

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

Adding to 12020012021222 its reverse (22212021002021), we get a palindrome (34232033023243).

It can be divided in two parts, 1202001 and 2021222, that added together give a palindrome (3223223).

The spelling of 12020012021222 in words is "twelve trillion, twenty billion, twelve million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 23 46 107 214 2461 4922 22189 44378 110059 220118 510347 1020694 2374223 2531357 4748446 5062714 11776313 23552626 54607129 109214258 270855199 541710398 2442099151 4884198302 56168280473 112336560946 261304609157 522609218314 6010006010611 12020012021222