Search a number
-
+
12201120102212 = 2212281248373913
BaseRepresentation
bin1011000110001100101101…
…1011011111011101000100
31121012102020001000212122222
42301203023123133131010
53044400343221232322
641541041151511512
72366334062455436
oct261431333373504
947172201025588
1012201120102212
113984514240408
1214507aa528598
136a6739aaa522
14302774752656
151625a489be42
hexb18cb6df744

12201120102212 has 12 divisors (see below), whose sum is σ = 21353698882236. Its totient is φ = 6100063278720.

The previous prime is 12201120102211. The next prime is 12201120102323. The reversal of 12201120102212 is 21220102110221.

It can be written as a sum of positive squares in 2 ways, for example, as 5451599237956 + 6749520864256 = 2334866^2 + 2597984^2 .

It is not an unprimeable number, because it can be changed into a prime (12201120102211) 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, 124137833 + ... + 124236080.

It is an arithmetic number, because the mean of its divisors is an integer number (1779474906853).

Almost surely, 212201120102212 is an apocalyptic number.

It is an amenable number.

12201120102212 is a deficient number, since it is larger than the sum of its proper divisors (9152578780024).

12201120102212 is a wasteful number, since it uses less digits than its factorization.

12201120102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248386198 (or 248386196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201120102212 its reverse (21220102110221), we get a palindrome (33421222212433).

The spelling of 12201120102212 in words is "twelve trillion, two hundred one billion, one hundred twenty million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 12281 24562 49124 248373913 496747826 993495652 3050280025553 6100560051106 12201120102212