Search a number
-
+
120022220131212 = 22372433758710439
BaseRepresentation
bin11011010010100011011001…
…110010111100101110001100
3120201222000022212212122200010
4123102203121302330232030
5111212421001323144322
61103133240255233220
734165214334163620
oct3322433162745614
9521860285778603
10120022220131212
1135274157322713
121156513a818810
1351c807ba63cc9
14218d16c153180
15dd20c026820c
hex6d28d9cbcb8c

120022220131212 has 48 divisors (see below), whose sum is σ = 320072410273280. Its totient is φ = 34290653260032.

The previous prime is 120022220131189. The next prime is 120022220131213. The reversal of 120022220131212 is 212131022220021.

It is a super-2 number, since 2×1200222201312122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120022220131213) 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, 27310912 + ... + 31399527.

Almost surely, 2120022220131212 is an apocalyptic number.

120022220131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120022220131212 is an abundant number, since it is smaller than the sum of its proper divisors (200050190142068).

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

120022220131212 is a wasteful number, since it uses less digits than its factorization.

120022220131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58734790 (or 58734788 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 120022220131212 its reverse (212131022220021), we get a palindrome (332153242351233).

The spelling of 120022220131212 in words is "one hundred twenty trillion, twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 24337 48674 73011 97348 146022 170359 292044 340718 511077 681436 1022154 2044308 58710439 117420878 176131317 234841756 352262634 410973073 704525268 821946146 1232919219 1643892292 2465838438 4931676876 1428835953943 2857671907886 4286507861829 5715343815772 8573015723658 10001851677601 17146031447316 20003703355202 30005555032803 40007406710404 60011110065606 120022220131212