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12223100121211 = 717329931135231
BaseRepresentation
bin1011000111011110100110…
…0010100111000001111011
31121021111221212022112100201
42301313221202213001323
53100230402112334321
641555114211543031
72401042546524460
oct261675142470173
947244855275321
1012223100121211
1139928733a9a71
121454b035baa77
136a8830754925
1430385b9b1667
15162e3e380291
hexb1de98a707b

12223100121211 has 16 divisors (see below), whose sum is σ = 14795462246400. Its totient is φ = 9857662899840.

The previous prime is 12223100121103. The next prime is 12223100121227. The reversal of 12223100121211 is 11212100132221.

It is not a de Polignac number, because 12223100121211 - 215 = 12223100088443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223100127211) 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, 15175035 + ... + 15960196.

It is an arithmetic number, because the mean of its divisors is an integer number (924716390400).

Almost surely, 212223100121211 is an apocalyptic number.

12223100121211 is a deficient number, since it is larger than the sum of its proper divisors (2572362125189).

12223100121211 is a wasteful number, since it uses less digits than its factorization.

12223100121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31138554.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12223100121211 its reverse (11212100132221), we get a palindrome (23435200253432).

The spelling of 12223100121211 in words is "twelve trillion, two hundred twenty-three billion, one hundred million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 17 119 3299 23093 56083 392581 31135231 217946617 529298927 3705092489 102715127069 719005889483 1746157160173 12223100121211