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12210312032 = 25381572251
BaseRepresentation
bin10110101111100101…
…01001001101100000
31011111221212010012222
423113302221031200
5200001314441112
65335341210212
7611403640232
oct132762511540
934457763188
1012210312032
1151a6448176
122449260968
1311c78bc709
1483b926252
154b6e65372
hex2d7ca9360

12210312032 has 12 divisors (see below), whose sum is σ = 24039051876. Its totient is φ = 6105156000.

The previous prime is 12210312029. The next prime is 12210312041. The reversal of 12210312032 is 23021301221.

12210312032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210312032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190786094 + ... + 190786157.

It is an arithmetic number, because the mean of its divisors is an integer number (2003254323).

Almost surely, 212210312032 is an apocalyptic number.

It is an amenable number.

12210312032 is a deficient number, since it is larger than the sum of its proper divisors (11828739844).

12210312032 is an equidigital number, since it uses as much as digits as its factorization.

12210312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381572261 (or 381572253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12210312032 its reverse (23021301221), we get a palindrome (35231613253).

The spelling of 12210312032 in words is "twelve billion, two hundred ten million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 381572251 763144502 1526289004 3052578008 6105156016 12210312032