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12101012212101 = 317389231966803
BaseRepresentation
bin1011000000010111110010…
…0010001100100110000101
31120211211211100101011000020
42300011330202030212011
53041230333111241401
641423043412205353
72356161235443501
oct260057442144605
946754740334006
1012101012212101
113946012a1492a
121435310609859
1369a174b23ba7
142db999249301
1515eb95e4ed36
hexb017c88c985

12101012212101 has 8 divisors (see below), whose sum is σ = 16135610886240. Its totient is φ = 8066877506352.

The previous prime is 12101012212099. The next prime is 12101012212117. The reversal of 12101012212101 is 10121221010121.

It is a happy number.

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

It is not a de Polignac number, because 12101012212101 - 21 = 12101012212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101012214101) 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, 115931235 + ... + 116035568.

It is an arithmetic number, because the mean of its divisors is an integer number (2016951360780).

Almost surely, 212101012212101 is an apocalyptic number.

It is an amenable number.

12101012212101 is a deficient number, since it is larger than the sum of its proper divisors (4034598674139).

12101012212101 is a wasteful number, since it uses less digits than its factorization.

12101012212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231984195.

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

Adding to 12101012212101 its reverse (10121221010121), we get a palindrome (22222233222222).

The spelling of 12101012212101 in words is "twelve trillion, one hundred one billion, twelve million, two hundred twelve thousand, one hundred one".

Divisors: 1 3 17389 52167 231966803 695900409 4033670737367 12101012212101