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12212221212102 = 232035370202017
BaseRepresentation
bin1011000110110110000100…
…0110110111010111000110
31121020110212200201200121010
42301231201012313113012
53100041112112241402
641550114511103050
72400206140365342
oct261554106672706
947213780650533
1012212221212102
1139891a055859a
121452988211a86
136a77b89468c2
14303108c22622
15162a0425ea6c
hexb1b611b75c6

12212221212102 has 8 divisors (see below), whose sum is σ = 24424442424216. Its totient is φ = 4070740404032.

The previous prime is 12212221212097. The next prime is 12212221212127. The reversal of 12212221212102 is 20121212221221.

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

12212221212102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017685101003 + ... + 1017685101014.

It is an arithmetic number, because the mean of its divisors is an integer number (3053055303027).

Almost surely, 212212221212102 is an apocalyptic number.

12212221212102 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.

12212221212102 is a wasteful number, since it uses less digits than its factorization.

12212221212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035370202022.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12212221212102 its reverse (20121212221221), we get a palindrome (32333433433323).

The spelling of 12212221212102 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 2035370202017 4070740404034 6106110606051 12212221212102