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12112020202201 = 101119920992101
BaseRepresentation
bin1011000001000000110010…
…1010010110001011011001
31120212220020111211222121021
42300100030222112023121
53041420404132432301
641432104003442441
72360031103015213
oct260201452261331
946786214758537
1012112020202201
11394a75170a807
121437483086421
1369b20a5b82ba
142dc3211d95b3
151600dc56b8a1
hexb040ca962d9

12112020202201 has 4 divisors (see below), whose sum is σ = 12231941194404. Its totient is φ = 11992099210000.

The previous prime is 12112020202187. The next prime is 12112020202223. The reversal of 12112020202201 is 10220202021121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8098805305600 + 4013214896601 = 2845840^2 + 2003301^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112020202201 - 229 = 12111483331289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112020302201) 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, 59960495950 + ... + 59960496151.

It is an arithmetic number, because the mean of its divisors is an integer number (3057985298601).

Almost surely, 212112020202201 is an apocalyptic number.

It is an amenable number.

12112020202201 is a deficient number, since it is larger than the sum of its proper divisors (119920992203).

12112020202201 is a wasteful number, since it uses less digits than its factorization.

12112020202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119920992202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12112020202201 its reverse (10220202021121), we get a palindrome (22332222223322).

The spelling of 12112020202201 in words is "twelve trillion, one hundred twelve billion, twenty million, two hundred two thousand, two hundred one".

Divisors: 1 101 119920992101 12112020202201