Search a number
-
+
12010020212201 = 111091820019291
BaseRepresentation
bin1010111011000100110011…
…1111010000110111101001
31120112010221221212121211212
42232301030333100313221
53033233010133242301
641313154354002505
72346460332266114
oct256611477206751
946463857777755
1012010020212201
11391046a344610
12141b757576435
13691703635c2b
142d74066c357b
1515c61c9724bb
hexaec4cfd0de9

12010020212201 has 4 divisors (see below), whose sum is σ = 13101840231504. Its totient is φ = 10918200192900.

The previous prime is 12010020212101. The next prime is 12010020212231. The reversal of 12010020212201 is 10221202001021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12010020212201 - 234 = 11992840343017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12010020212231) 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, 545910009635 + ... + 545910009656.

It is an arithmetic number, because the mean of its divisors is an integer number (3275460057876).

Almost surely, 212010020212201 is an apocalyptic number.

12010020212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010020212201 is a deficient number, since it is larger than the sum of its proper divisors (1091820019303).

12010020212201 is a wasteful number, since it uses less digits than its factorization.

12010020212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091820019302.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010020212201 its reverse (10221202001021), we get a palindrome (22231222213222).

It can be divided in two parts, 12010020 and 212201, that added together give a palindrome (12222221).

The spelling of 12010020212201 in words is "twelve trillion, ten billion, twenty million, two hundred twelve thousand, two hundred one".

Divisors: 1 11 1091820019291 12010020212201