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12022131212 = 22713191738307
BaseRepresentation
bin10110011001001001…
…10010101000001100
31011000211202112122222
423030210302220030
5144110131144322
65304535554512
7603630300140
oct131444625014
934024675588
1012022131212
11510a1a8133
1223b622ba38
131197913010
1482093d220
154a5692e42
hex2cc932a0c

12022131212 has 48 divisors (see below), whose sum is σ = 27256669440. Its totient is φ = 4505689152.

The previous prime is 12022131203. The next prime is 12022131241. The reversal of 12022131212 is 21213122021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862238 + ... + 876069.

It is an arithmetic number, because the mean of its divisors is an integer number (567847280).

Almost surely, 212022131212 is an apocalyptic number.

It is an amenable number.

12022131212 is an abundant number, since it is smaller than the sum of its proper divisors (15234538228).

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

12022131212 is a wasteful number, since it uses less digits than its factorization.

12022131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738350 (or 1738348 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12022131212 its reverse (21213122021), we get a palindrome (33235253233).

The spelling of 12022131212 in words is "twelve billion, twenty-two million, one hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 19 26 28 38 52 76 91 133 182 247 266 364 494 532 988 1729 3458 6916 1738307 3476614 6953228 12168149 22597991 24336298 33027833 45195982 48672596 66055666 90391964 132111332 158185937 231194831 316371874 429361829 462389662 632743748 858723658 924779324 1717447316 3005532803 6011065606 12022131212