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12200110000021 = 171531468748223
BaseRepresentation
bin1011000110001000111100…
…1110010000011110010101
31121012022121122100100221201
42301202033032100132111
53044341311130000041
641540353025512501
72366300045651206
oct261421716203625
947168548310851
1012200110000021
113984046047709
1214505681a2731
136a6608744118
143026ba5355ad
15162545d72631
hexb188f390795

12200110000021 has 8 divisors (see below), whose sum is σ = 12926201025024. Its totient is φ = 11474956474560.

The previous prime is 12200110000003. The next prime is 12200110000031. The reversal of 12200110000021 is 12000001100221.

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

It is not a de Polignac number, because 12200110000021 - 27 = 12200109999893 is a prime.

It is a super-2 number, since 2×122001100000212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200109999962 and 12200110000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200110000031) 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, 234348085 + ... + 234400138.

It is an arithmetic number, because the mean of its divisors is an integer number (1615775128128).

Almost surely, 212200110000021 is an apocalyptic number.

It is an amenable number.

12200110000021 is a deficient number, since it is larger than the sum of its proper divisors (726091025003).

12200110000021 is a wasteful number, since it uses less digits than its factorization.

12200110000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468749771.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12200110000021 its reverse (12000001100221), we get a palindrome (24200111100242).

The spelling of 12200110000021 in words is "twelve trillion, two hundred billion, one hundred ten million, twenty-one", and thus it is an aban number.

Divisors: 1 17 1531 26027 468748223 7968719791 717653529413 12200110000021