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12312230100211 = 16997246751089
BaseRepresentation
bin1011001100101010101000…
…0110011111110011110011
31121121001000111002121001001
42303022222012133303303
53103210421401201321
642104054352422431
72410346353042606
oct263125206376363
947531014077031
1012312230100211
113a17650a04438
12146a238b47a17
136b4066248a82
14307cb511833d
15165409152c91
hexb32aa19fcf3

12312230100211 has 4 divisors (see below), whose sum is σ = 12319476853000. Its totient is φ = 12304983347424.

The previous prime is 12312230100113. The next prime is 12312230100217. The reversal of 12312230100211 is 11200103221321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312230100211 - 217 = 12312229969139 is a prime.

It is a super-2 number, since 2×123122301002112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312230100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623373846 + ... + 3623377243.

It is an arithmetic number, because the mean of its divisors is an integer number (3079869213250).

Almost surely, 212312230100211 is an apocalyptic number.

12312230100211 is a deficient number, since it is larger than the sum of its proper divisors (7246752789).

12312230100211 is an equidigital number, since it uses as much as digits as its factorization.

12312230100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246752788.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12312230100211 its reverse (11200103221321), we get a palindrome (23512333321532).

The spelling of 12312230100211 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, one hundred thousand, two hundred eleven".

Divisors: 1 1699 7246751089 12312230100211