Search a number
-
+
12210021010201 = 72249184102249
BaseRepresentation
bin1011000110101101110111…
…1101110000101100011001
31121020021012100122211222211
42301223131331300230121
53100022110334311301
641545112313115121
72400100463105500
oct261533575605431
947207170584884
1012210021010201
113988271600313
1214524733b8aa1
136a7527b743a1
14302d7a931837
15162926003051
hexb1addf70b19

12210021010201 has 6 divisors (see below), whose sum is σ = 14203493828250. Its totient is φ = 10465732294416.

The previous prime is 12210021010189. The next prime is 12210021010211. The reversal of 12210021010201 is 10201012001221.

It can be written as a sum of positive squares in only one way, i.e., 8888441859801 + 3321579150400 = 2981349^2 + 1822520^2 .

It is not a de Polignac number, because 12210021010201 - 27 = 12210021010073 is a prime.

It is a super-2 number, since 2×122100210102012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210021010211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124592051076 + ... + 124592051173.

It is an arithmetic number, because the mean of its divisors is an integer number (2367248971375).

Almost surely, 212210021010201 is an apocalyptic number.

It is an amenable number.

12210021010201 is a deficient number, since it is larger than the sum of its proper divisors (1993472818049).

12210021010201 is an equidigital number, since it uses as much as digits as its factorization.

12210021010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249184102263 (or 249184102256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210021010201 its reverse (10201012001221), we get a palindrome (22411033011422).

The spelling of 12210021010201 in words is "twelve trillion, two hundred ten billion, twenty-one million, ten thousand, two hundred one".

Divisors: 1 7 49 249184102249 1744288715743 12210021010201