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12210111023 = 111975634569
BaseRepresentation
bin10110101111100011…
…11000001000101111
31011111221110220111012
423113301320020233
5200001242023043
65335333015435
7611402142215
oct132761701057
934457426435
1012210111023
1151a6320150
12244918457b
1311c784c086
1483b8b2cb5
154b6e25a18
hex2d7c7822f

12210111023 has 8 divisors (see below), whose sum is σ = 13387738320. Its totient is φ = 11043753280.

The previous prime is 12210111013. The next prime is 12210111041. The reversal of 12210111023 is 32011101221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210111023 - 24 = 12210111007 is a prime.

It is a super-2 number, since 2×122101110232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210110989 and 12210111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815118 + ... + 2819451.

It is an arithmetic number, because the mean of its divisors is an integer number (1673467290).

Almost surely, 212210111023 is an apocalyptic number.

12210111023 is a deficient number, since it is larger than the sum of its proper divisors (1177627297).

12210111023 is a wasteful number, since it uses less digits than its factorization.

12210111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634777.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12210111023 its reverse (32011101221), we get a palindrome (44221212244).

The spelling of 12210111023 in words is "twelve billion, two hundred ten million, one hundred eleven thousand, twenty-three".

Divisors: 1 11 197 2167 5634569 61980259 1110010093 12210111023