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12101202 = 232672289
BaseRepresentation
bin101110001010…
…011001010010
3211202210201200
4232022121102
511044214302
61111212030
7204600321
oct56123122
924683650
1012101202
1169158a3
124077016
132679099
1418700b8
1510e081c
hexb8a652

12101202 has 12 divisors (see below), whose sum is σ = 26219310. Its totient is φ = 4033728.

The previous prime is 12101179. The next prime is 12101227. The reversal of 12101202 is 20210121.

Adding to 12101202 its reverse (20210121), we get a palindrome (32311323).

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 53361 = 3471^2 + 231^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336127 + ... + 336162.

Almost surely, 212101202 is an apocalyptic number.

12101202 is an abundant number, since it is smaller than the sum of its proper divisors (14118108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101202 is a wasteful number, since it uses less digits than its factorization.

12101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672297 (or 672294 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12101202 is about 3478.6781972468. The cubic root of 12101202 is about 229.5846441874.

The spelling of 12101202 in words is "twelve million, one hundred one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 672289 1344578 2016867 4033734 6050601 12101202