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1212201003112 = 231161225819859
BaseRepresentation
bin10001101000111100110…
…011110110100001101000
311021212220101001021202121
4101220330303312201220
5124330041424044422
62324513310241024
7153402320342461
oct21507463664150
94255811037677
101212201003112
11428100956340
12176b237b6174
138a405298288
1442956b09d68
15217eae128c7
hex11a3ccf6868

1212201003112 has 32 divisors (see below), whose sum is σ = 2520149637600. Its totient is φ = 541967659200.

The previous prime is 1212201003071. The next prime is 1212201003127. The reversal of 1212201003112 is 2113001022121.

It is a super-3 number, since 3×12122010031123 (a number of 37 digits) contains 333 as substring.

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, 112904562 + ... + 112915297.

It is an arithmetic number, because the mean of its divisors is an integer number (78754676175).

Almost surely, 21212201003112 is an apocalyptic number.

It is an amenable number.

1212201003112 is an abundant number, since it is smaller than the sum of its proper divisors (1307948634488).

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

1212201003112 is a wasteful number, since it uses less digits than its factorization.

1212201003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225819937 (or 225819933 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212201003112 its reverse (2113001022121), we get a palindrome (3325202025233).

The spelling of 1212201003112 in words is "one trillion, two hundred twelve billion, two hundred one million, three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 61 88 122 244 488 671 1342 2684 5368 225819859 451639718 903279436 1806558872 2484018449 4968036898 9936073796 13775011399 19872147592 27550022798 55100045596 110200091192 151525125389 303050250778 606100501556 1212201003112