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12112021012101 = 3291447295732537
BaseRepresentation
bin1011000001000000110010…
…1101011011111010000101
31120212220020120101010120120
42300100030231123322011
53041420404334341401
641432104033052153
72360031112630353
oct260201455337205
946786216333516
1012112021012101
11394a75211324a
1214374833b7059
1369b20a80cb2a
142dc32136a7d3
151600dc67b836
hexb040cb5be85

12112021012101 has 32 divisors (see below), whose sum is σ = 16723948919040. Its totient is φ = 7787981462016.

The previous prime is 12112021012067. The next prime is 12112021012127. The reversal of 12112021012101 is 10121012021121.

It is a happy number.

It is not a de Polignac number, because 12112021012101 - 219 = 12112020487813 is a prime.

It is a super-2 number, since 2×121120210121012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112021012151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372237505 + ... + 372270041.

It is an arithmetic number, because the mean of its divisors is an integer number (522623403720).

Almost surely, 212112021012101 is an apocalyptic number.

It is an amenable number.

12112021012101 is a deficient number, since it is larger than the sum of its proper divisors (4611927906939).

12112021012101 is a wasteful number, since it uses less digits than its factorization.

12112021012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36973.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112021012101 its reverse (10121012021121), we get a palindrome (22233033033222).

The spelling of 12112021012101 in words is "twelve trillion, one hundred twelve billion, twenty-one million, twelve thousand, one hundred one".

Divisors: 1 3 29 87 1447 2957 4341 8871 32537 41963 85753 97611 125889 257259 943573 2830719 4278779 12836337 47081039 96211909 124084591 141243117 288635727 372253773 1365350131 2790145361 4096050393 8370436083 139218632323 417655896969 4037340337367 12112021012101