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12201022110 = 235406700737
BaseRepresentation
bin10110101110011110…
…01101001010011110
31011111022101010211210
423113033031022132
5144441430201420
65334410125250
7611231656014
oct132717151236
934438333753
1012201022110
1151a1182552
122446120826
1311c59b9114
1483a5c88b4
154b622c9e0
hex2d73cd29e

12201022110 has 16 divisors (see below), whose sum is σ = 29282453136. Its totient is φ = 3253605888.

The previous prime is 12201022091. The next prime is 12201022117. The reversal of 12201022110 is 1122010221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201022117) 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, 203350339 + ... + 203350398.

It is an arithmetic number, because the mean of its divisors is an integer number (1830153321).

Almost surely, 212201022110 is an apocalyptic number.

12201022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201022110 is an abundant number, since it is smaller than the sum of its proper divisors (17081431026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201022110 is a wasteful number, since it uses less digits than its factorization.

12201022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406700747.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201022110 its reverse (1122010221), we get a palindrome (13323032331).

The spelling of 12201022110 in words is "twelve billion, two hundred one million, twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 406700737 813401474 1220102211 2033503685 2440204422 4067007370 6100511055 12201022110