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12012121202 = 299710315843
BaseRepresentation
bin10110010111111101…
…00110110001110010
31011000010220222111212
423023332212301302
5144100100334302
65303541240122
7603446226344
oct131376466162
934003828455
1012012121202
1151045904a4
1223b2a03042
131195819a33
1481d495294
154a4867052
hex2cbfa6c72

12012121202 has 16 divisors (see below), whose sum is σ = 18056837952. Its totient is φ = 5993190960.

The previous prime is 12012121201. The next prime is 12012121207. The reversal of 12012121202 is 20212121021.

It is not an unprimeable number, because it can be changed into a prime (12012121201) 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, 2052893 + ... + 2058735.

It is an arithmetic number, because the mean of its divisors is an integer number (1128552372).

Almost surely, 212012121202 is an apocalyptic number.

12012121202 is a deficient number, since it is larger than the sum of its proper divisors (6044716750).

12012121202 is a wasteful number, since it uses less digits than its factorization.

12012121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012121202 its reverse (20212121021), we get a palindrome (32224242223).

The spelling of 12012121202 in words is "twelve billion, twelve million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 997 1031 1994 2062 5843 11686 1027907 2055814 5825471 6024133 11650942 12048266 6006060601 12012121202