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120202122121212 = 223372111283059243
BaseRepresentation
bin11011010101001010111100…
…110010100100111111111100
3120202121012200120012122110210
4123111022330302210333330
5111223342421230334322
61103352031555232420
734214213432650365
oct3325127462447774
9522535616178423
10120202122121212
113533348530249a
1211593b875a8710
13520c01c2b0771
142197b56d18b6c
15dd6aee06170c
hex6d52bcca4ffc

120202122121212 has 48 divisors (see below), whose sum is σ = 289417107550592. Its totient is φ = 38799711478080.

The previous prime is 120202122121189. The next prime is 120202122121223. The reversal of 120202122121212 is 212121221202021.

It is a congruent number.

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, 641435938 + ... + 641623305.

Almost surely, 2120202122121212 is an apocalyptic number.

120202122121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120202122121212 is an abundant number, since it is smaller than the sum of its proper divisors (169214985429380).

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

120202122121212 is a wasteful number, since it uses less digits than its factorization.

120202122121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283059498 (or 1283059496 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120202122121212 its reverse (212121221202021), we get a palindrome (332323343323233).

The spelling of 120202122121212 in words is "one hundred twenty trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 211 222 422 444 633 844 1266 2532 7807 15614 23421 31228 46842 93684 1283059243 2566118486 3849177729 5132236972 7698355458 15396710916 47473191991 94946383982 142419575973 189892767964 270725500273 284839151946 541451000546 569678303892 812176500819 1082902001092 1624353001638 3248706003276 10016843510101 20033687020202 30050530530303 40067374040404 60101061060606 120202122121212