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12102210999 = 33448230037
BaseRepresentation
bin10110100010101100…
…10001010110110111
31011020102110000111000
423101112101112313
5144241131222444
65320520214343
7605622044664
oct132126212667
934212400430
1012102210999
11515042327a
12241900a3b3
1311ab3a07c8
1482b426a6b
154ac710469
hex2d15915b7

12102210999 has 8 divisors (see below), whose sum is σ = 17929201520. Its totient is φ = 8068140648.

The previous prime is 12102210973. The next prime is 12102211027. The reversal of 12102210999 is 99901220121.

It is not a de Polignac number, because 12102210999 - 212 = 12102206903 is a prime.

It is a super-2 number, since 2×121022109992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102210919) 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, 224114992 + ... + 224115045.

It is an arithmetic number, because the mean of its divisors is an integer number (2241150190).

Almost surely, 212102210999 is an apocalyptic number.

12102210999 is a deficient number, since it is larger than the sum of its proper divisors (5826990521).

12102210999 is an equidigital number, since it uses as much as digits as its factorization.

12102210999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448230046 (or 448230040 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 12102210999 in words is "twelve billion, one hundred two million, two hundred ten thousand, nine hundred ninety-nine".

Divisors: 1 3 9 27 448230037 1344690111 4034070333 12102210999