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12221112102 = 232036852017
BaseRepresentation
bin10110110000110111…
…10101111100100110
31011112201011211010120
423120123311330212
5200012101041402
65340404502410
7611564511303
oct133033657446
934481154116
1012221112102
115201554451
1224509aaa06
1311c9c014a4
1483d1380aa
154b7d9a3bc
hex2d86f5f26

12221112102 has 8 divisors (see below), whose sum is σ = 24442224216. Its totient is φ = 4073704032.

The previous prime is 12221112097. The next prime is 12221112103. The reversal of 12221112102 is 20121112221.

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

12221112102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221112103) 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, 1018426003 + ... + 1018426014.

It is an arithmetic number, because the mean of its divisors is an integer number (3055278027).

Almost surely, 212221112102 is an apocalyptic number.

12221112102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12221112102 is a wasteful number, since it uses less digits than its factorization.

12221112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036852022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221112102 its reverse (20121112221), we get a palindrome (32342224323).

The spelling of 12221112102 in words is "twelve billion, two hundred twenty-one million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 2036852017 4073704034 6110556051 12221112102