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12011210001222 = 232001868333537
BaseRepresentation
bin1010111011001001001111…
…1001111100101101000110
31120112021000212200011112220
42232302103321330231012
53033242424230014342
641313512415153210
72346531660315555
oct256622371745506
946467025604486
1012011210001222
113910a1aa06723
12141ba29b15806
13691862c937c3
142d74ba715d9c
1515c68c1425ec
hexaec93e7cb46

12011210001222 has 8 divisors (see below), whose sum is σ = 24022420002456. Its totient is φ = 4003736667072.

The previous prime is 12011210001187. The next prime is 12011210001229. The reversal of 12011210001222 is 22210001211021.

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

12011210001222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210001229) 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, 1000934166763 + ... + 1000934166774.

It is an arithmetic number, because the mean of its divisors is an integer number (3002802500307).

Almost surely, 212011210001222 is an apocalyptic number.

12011210001222 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.

12011210001222 is a wasteful number, since it uses less digits than its factorization.

12011210001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001868333542.

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

Adding to 12011210001222 its reverse (22210001211021), we get a palindrome (34221211212243).

The spelling of 12011210001222 in words is "twelve trillion, eleven billion, two hundred ten million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 2001868333537 4003736667074 6005605000611 12011210001222