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12010010022101 = 721323819739951
BaseRepresentation
bin1010111011000100110001…
…1000011001000011010101
31120112010221020200220122202
42232301030120121003111
53033233000031201401
641313153351334245
72346460146545300
oct256611430310325
946463836626582
1012010010022101
113910464614643
12141b754081385
136917014a89a0
142d74051cdb37
1515c61bb0d06b
hexaec4c6190d5

12010010022101 has 24 divisors (see below), whose sum is σ = 15699659560704. Its totient is φ = 9089276565600.

The previous prime is 12010010022097. The next prime is 12010010022149. The reversal of 12010010022101 is 10122001001021.

It is not a de Polignac number, because 12010010022101 - 22 = 12010010022097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010010022161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409855325 + ... + 409884626.

It is an arithmetic number, because the mean of its divisors is an integer number (654152481696).

Almost surely, 212010010022101 is an apocalyptic number.

It is an amenable number.

12010010022101 is a deficient number, since it is larger than the sum of its proper divisors (3689649538603).

12010010022101 is a wasteful number, since it uses less digits than its factorization.

12010010022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819740001 (or 819739994 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010010022101 its reverse (10122001001021), we get a palindrome (22132011023122).

The spelling of 12010010022101 in words is "twelve trillion, ten billion, ten million, twenty-two thousand, one hundred one".

Divisors: 1 7 13 23 49 91 161 299 637 1127 2093 14651 819739951 5738179657 10656619363 18854018873 40167257599 74596335541 131978132111 245102245349 522174348787 923846924777 1715715717443 12010010022101