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12110211203223 = 37665089867067
BaseRepresentation
bin1011000000111010000011…
…0101100100000010010111
31120212201120102220022112010
42300032200311210002113
53041403203032000343
641431204302355303
72356635215540550
oct260164065440227
946781512808463
1012110211203223
113949a0356a031
12143705928bb33
1369acac8971c3
142dc1ccc5d327
15160033836d33
hexb03a0d64097

12110211203223 has 16 divisors (see below), whose sum is σ = 18453704195840. Its totient is φ = 6920102301696.

The previous prime is 12110211203131. The next prime is 12110211203227. The reversal of 12110211203223 is 32230211201121.

It is not a de Polignac number, because 12110211203223 - 222 = 12110207008919 is a prime.

It is a super-2 number, since 2×121102112032232 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110211203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110211203227) 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, 13533336 + ... + 14400402.

It is an arithmetic number, because the mean of its divisors is an integer number (1153356512240).

Almost surely, 212110211203223 is an apocalyptic number.

12110211203223 is a deficient number, since it is larger than the sum of its proper divisors (6343492992617).

12110211203223 is an equidigital number, since it uses as much as digits as its factorization.

12110211203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532166.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12110211203223 its reverse (32230211201121), we get a palindrome (44340422404344).

The spelling of 12110211203223 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 3 7 21 665089 867067 1995267 2601201 4655623 6069469 13966869 18208407 576676723963 1730030171889 4036737067741 12110211203223