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12210132401 = 103291118211
BaseRepresentation
bin10110101111100011…
…11101010110110001
31011111221111222210222
423113301331112301
5200001243214101
65335333302425
7611402261435
oct132761752661
934457458728
1012210132401
1151a6335215
122449194a15
1311c7858a1c
1483b8ba9c5
154b6e2c01b
hex2d7c7d5b1

12210132401 has 4 divisors (see below), whose sum is σ = 12210353904. Its totient is φ = 12209910900.

The previous prime is 12210132391. The next prime is 12210132413. The reversal of 12210132401 is 10423101221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12210132401 - 222 = 12205938097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210132401.

It is not an unprimeable number, because it can be changed into a prime (12210132001) 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, 44186 + ... + 162396.

It is an arithmetic number, because the mean of its divisors is an integer number (3052588476).

Almost surely, 212210132401 is an apocalyptic number.

It is an amenable number.

12210132401 is a deficient number, since it is larger than the sum of its proper divisors (221503).

12210132401 is a wasteful number, since it uses less digits than its factorization.

12210132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221502.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12210132401 its reverse (10423101221), we get a palindrome (22633233622).

The spelling of 12210132401 in words is "twelve billion, two hundred ten million, one hundred thirty-two thousand, four hundred one".

Divisors: 1 103291 118211 12210132401