Search a number
-
+
12112022102021 = 104292920939761
BaseRepresentation
bin1011000001000000110011…
…0001100110000000000101
31120212220020122102111122222
42300100030301212000011
53041420410124231041
641432104112302125
72360031125120102
oct260201461460005
946786218374588
1012112022102021
11394a752798106
121437483841945
1369b20ab01c5a
142dc321571aa9
151600dc7e474b
hexb040cc66005

12112022102021 has 8 divisors (see below), whose sum is σ = 12113902848600. Its totient is φ = 12110141514240.

The previous prime is 12112022102017. The next prime is 12112022102027. The reversal of 12112022102021 is 12020122021121.

It can be written as a sum of positive squares in 4 ways, for example, as 2267551093921 + 9844471008100 = 1505839^2 + 3137590^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112022102021 - 22 = 12112022102017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112022102027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304600781 + ... + 304640541.

It is an arithmetic number, because the mean of its divisors is an integer number (1514237856075).

Almost surely, 212112022102021 is an apocalyptic number.

It is an amenable number.

12112022102021 is a deficient number, since it is larger than the sum of its proper divisors (1880746579).

12112022102021 is a wasteful number, since it uses less digits than its factorization.

12112022102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79399.

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

Adding to 12112022102021 its reverse (12020122021121), we get a palindrome (24132144123142).

The spelling of 12112022102021 in words is "twelve trillion, one hundred twelve billion, twenty-two million, one hundred two thousand, twenty-one".

Divisors: 1 10429 29209 39761 304620661 414667469 1161379049 12112022102021