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12123210332 = 2243697110111
BaseRepresentation
bin10110100101001100…
…11000001001011100
31011021212221220011002
423102212120021130
5144312020212312
65322550245432
7606265405352
oct132246301134
934255856132
1012123210332
1151612663a2
122424056878
1311b2843a4c
148301317d2
154ae4ac4c2
hex2d299825c

12123210332 has 24 divisors (see below), whose sum is σ = 21714266112. Its totient is φ = 5919202800.

The previous prime is 12123210329. The next prime is 12123210347. The reversal of 12123210332 is 23301232121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193957 + ... + 1204067.

It is an arithmetic number, because the mean of its divisors is an integer number (904761088).

Almost surely, 212123210332 is an apocalyptic number.

It is an amenable number.

12123210332 is a deficient number, since it is larger than the sum of its proper divisors (9591055780).

12123210332 is a wasteful number, since it uses less digits than its factorization.

12123210332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17129 (or 17127 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12123210332 its reverse (23301232121), we get a palindrome (35424442453).

The spelling of 12123210332 in words is "twelve billion, one hundred twenty-three million, two hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 4 43 86 172 6971 10111 13942 20222 27884 40444 299753 434773 599506 869546 1199012 1739092 70483781 140967562 281935124 3030802583 6061605166 12123210332