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12112252211211 = 323272416443959
BaseRepresentation
bin1011000001000001101001…
…1111011001000000001011
31120212220211200102021010120
42300100122133121000023
53041421343031224321
641432143012314323
72360036621036265
oct260203237310013
946786750367116
1012112252211211
11394a860675599
1214375289129a3
1369b24669bb39
142dc343d50b35
15160102ae9ec6
hexb041a7d900b

12112252211211 has 16 divisors (see below), whose sum is σ = 16852450398720. Its totient is φ = 7723470300480.

The previous prime is 12112252211167. The next prime is 12112252211231. The reversal of 12112252211211 is 11211225221121.

It is not a de Polignac number, because 12112252211211 - 214 = 12112252194827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112252211231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342351 + ... + 5101608.

It is an arithmetic number, because the mean of its divisors is an integer number (1053278149920).

Almost surely, 212112252211211 is an apocalyptic number.

12112252211211 is a deficient number, since it is larger than the sum of its proper divisors (4740198187509).

12112252211211 is a wasteful number, since it uses less digits than its factorization.

12112252211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471226.

The product of its digits is 320, while the sum is 24.

Adding to 12112252211211 its reverse (11211225221121), we get a palindrome (23323477432332).

The spelling of 12112252211211 in words is "twelve trillion, one hundred twelve billion, two hundred fifty-two million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 3 23 69 27241 81723 626543 1879629 6443959 19331877 148211057 444633171 175539887119 526619661357 4037417403737 12112252211211