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12021211221202 = 29407963888919
BaseRepresentation
bin1010111011101110100000…
…0001100100110011010010
31120120012211212201210011201
42232323220001210303102
53033423420033034302
641322245044101414
72350334551301401
oct256735001446322
946505755653151
1012021211221202
113915192384287
12142195b39486a
13692797cba351
142d7b88ab5638
1515ca75191c87
hexaeee8064cd2

12021211221202 has 8 divisors (see below), whose sum is σ = 18032008780800. Its totient is φ = 6010541627604.

The previous prime is 12021211221197. The next prime is 12021211221203. The reversal of 12021211221202 is 20212211212021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12021211221202.

It is not an unprimeable number, because it can be changed into a prime (12021211221203) 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, 31756302 + ... + 32132617.

It is an arithmetic number, because the mean of its divisors is an integer number (2254001097600).

Almost surely, 212021211221202 is an apocalyptic number.

12021211221202 is a deficient number, since it is larger than the sum of its proper divisors (6010797559598).

12021211221202 is an equidigital number, since it uses as much as digits as its factorization.

12021211221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63983000.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12021211221202 its reverse (20212211212021), we get a palindrome (32233422433223).

The spelling of 12021211221202 in words is "twelve trillion, twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 94079 188158 63888919 127777838 6010605610601 12021211221202