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202212012 = 22329581069
BaseRepresentation
bin11000000110110…
…00001010101100
3112002111102201210
430003120022230
5403231241022
632022034420
75003526252
oct1403301254
9462442653
10202212012
11a4163972
1257878a10
1332b800a2
141cbda5d2
1512b44a0c
hexc0d82ac

202212012 has 24 divisors (see below), whose sum is σ = 488098800. Its totient is φ = 65079616.

The previous prime is 202211981. The next prime is 202212019. The reversal of 202212012 is 210212202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (202212019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290187 + ... + 290882.

It is an arithmetic number, because the mean of its divisors is an integer number (20337450).

Almost surely, 2202212012 is an apocalyptic number.

It is an amenable number.

202212012 is an abundant number, since it is smaller than the sum of its proper divisors (285886788).

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

202212012 is a wasteful number, since it uses less digits than its factorization.

202212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581105 (or 581103 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202212012 is about 14220.1270036523. The cubic root of 202212012 is about 586.9516351160.

Adding to 202212012 its reverse (210212202), we get a palindrome (412424214).

The spelling of 202212012 in words is "two hundred two million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 581069 1162138 1743207 2324276 3486414 6972828 16851001 33702002 50553003 67404004 101106006 202212012