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12210232001 = 114523245417
BaseRepresentation
bin10110101111100100…
…10101101011000001
31011111221201001102212
423113302111223001
5200001304411001
65335335351505
7611403155012
oct132762255301
934457631385
1012210232001
1151a63a3030
122449222595
1311c7892166
1483b905009
154b6e4b7bb
hex2d7c95ac1

12210232001 has 8 divisors (see below), whose sum is σ = 13323252384. Its totient is φ = 11097711520.

The previous prime is 12210231989. The next prime is 12210232003. The reversal of 12210232001 is 10023201221.

It is a happy number.

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 12210232001 - 26 = 12210231937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210232003) 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, 72956 + ... + 172461.

It is an arithmetic number, because the mean of its divisors is an integer number (1665406548).

Almost surely, 212210232001 is an apocalyptic number.

12210232001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210232001 is a deficient number, since it is larger than the sum of its proper divisors (1113020383).

12210232001 is a wasteful number, since it uses less digits than its factorization.

12210232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249951.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210232001 its reverse (10023201221), we get a palindrome (22233433222).

The spelling of 12210232001 in words is "twelve billion, two hundred ten million, two hundred thirty-two thousand, one".

Divisors: 1 11 4523 49753 245417 2699587 1110021091 12210232001