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121140202444212 = 22371442145267193
BaseRepresentation
bin11011100010110100100110…
…101111000001010110110100
3120212220220000222211120102110
4123202310212233001112310
5111334230113311203322
61105351012444211020
734342043101066650
oct3342644657012664
9525826028746373
10121140202444212
11356652a9185606
1211705948839a70
13527961a1b9173
1421cb307961a60
15e0120477bc0c
hex6e2d26bc15b4

121140202444212 has 24 divisors (see below), whose sum is σ = 323040539851456. Its totient is φ = 34611486412608.

The previous prime is 121140202444159. The next prime is 121140202444223. The reversal of 121140202444212 is 212444202041121.

It is a super-3 number, since 3×1211402024442123 (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121140202444212.

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, 721072633513 + ... + 721072633680.

Almost surely, 2121140202444212 is an apocalyptic number.

121140202444212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121140202444212 is an abundant number, since it is smaller than the sum of its proper divisors (201900337407244).

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

121140202444212 is a wasteful number, since it uses less digits than its factorization.

121140202444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442145267207 (or 1442145267205 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 121140202444212 its reverse (212444202041121), we get a palindrome (333584404485333).

The spelling of 121140202444212 in words is "one hundred twenty-one trillion, one hundred forty billion, two hundred two million, four hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1442145267193 2884290534386 4326435801579 5768581068772 8652871603158 10095016870351 17305743206316 20190033740702 30285050611053 40380067481404 60570101222106 121140202444212