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12150151212 = 2232383530389
BaseRepresentation
bin10110101000011010…
…01001100000101100
31011100202122122002110
423110031021200230
5144340414314322
65325351524020
7610043403243
oct132415114054
934322578073
1012150151212
115175497491
122431089610
1311b82b74b4
1483394595a
154b1a2ec0c
hex2d434982c

12150151212 has 48 divisors (see below), whose sum is σ = 29939454720. Its totient is φ = 3827279808.

The previous prime is 12150151207. The next prime is 12150151219. The reversal of 12150151212 is 21215105121.

It is not an unprimeable number, because it can be changed into a prime (12150151219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242287 + ... + 288102.

It is an arithmetic number, because the mean of its divisors is an integer number (623738640).

Almost surely, 212150151212 is an apocalyptic number.

12150151212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12150151212 is an abundant number, since it is smaller than the sum of its proper divisors (17789303508).

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

12150151212 is a wasteful number, since it uses less digits than its factorization.

12150151212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530502 (or 530500 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 12150151212 its reverse (21215105121), we get a palindrome (33365256333).

The spelling of 12150151212 in words is "twelve billion, one hundred fifty million, one hundred fifty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 83 92 138 166 249 276 332 498 996 1909 3818 5727 7636 11454 22908 530389 1060778 1591167 2121556 3182334 6364668 12198947 24397894 36596841 44022287 48795788 73193682 88044574 132066861 146387364 176089148 264133722 528267444 1012512601 2025025202 3037537803 4050050404 6075075606 12150151212