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12112021002001 = 1937122411407487
BaseRepresentation
bin1011000001000000110010…
…1101011001011100010001
31120212220020120100121201111
42300100030231121130101
53041420404334031001
641432104032533321
72360031112556044
oct260201455313421
946786216317644
1012112021002001
11394a7521066a8
1214374833b1241
1369b20a80835b
142dc321366c5b
151600dc678851
hexb040cb59711

12112021002001 has 16 divisors (see below), whose sum is σ = 13095155752960. Its totient is φ = 11163503358720.

The previous prime is 12112021001953. The next prime is 12112021002119. The reversal of 12112021002001 is 10020012021121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12112021002001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112021012001) 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, 7901680 + ... + 9309166.

It is an arithmetic number, because the mean of its divisors is an integer number (818447234560).

Almost surely, 212112021002001 is an apocalyptic number.

It is an amenable number.

12112021002001 is a deficient number, since it is larger than the sum of its proper divisors (983134750959).

12112021002001 is a wasteful number, since it uses less digits than its factorization.

12112021002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419784.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112021002001 its reverse (10020012021121), we get a palindrome (22132033023122).

The spelling of 12112021002001 in words is "twelve trillion, one hundred twelve billion, twenty-one million, two thousand, one".

Divisors: 1 19 37 703 12241 232579 452917 1407487 8605423 26742253 52077019 989463361 17229048367 327351918973 637474789579 12112021002001