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12120101310112 = 251931962451637
BaseRepresentation
bin1011000001011110111001…
…0101010100111010100000
31120220200002200212210122021
42300113232111110322200
53042033431413410422
641435521521551224
72360435260214455
oct260275625247240
946820080783567
1012120101310112
113953119245794
121438b594a5514
1369bbc7888b63
142dc88a57782c
15160411c38dc7
hexb05ee554ea0

12120101310112 has 24 divisors (see below), whose sum is σ = 23985083919636. Its totient is φ = 6028651425792.

The previous prime is 12120101310059. The next prime is 12120101310131. The reversal of 12120101310112 is 21101310102121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11527084264336 + 593017045776 = 3395156^2 + 770076^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981219643 + ... + 981231994.

Almost surely, 212120101310112 is an apocalyptic number.

It is an amenable number.

12120101310112 is a deficient number, since it is larger than the sum of its proper divisors (11864982609524).

12120101310112 is a wasteful number, since it uses less digits than its factorization.

12120101310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962451840 (or 1962451832 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12120101310112 its reverse (21101310102121), we get a palindrome (33221411412233).

The spelling of 12120101310112 in words is "twelve trillion, one hundred twenty billion, one hundred one million, three hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 193 386 772 1544 3088 6176 1962451637 3924903274 7849806548 15699613096 31399226192 62798452384 378753165941 757506331882 1515012663764 3030025327528 6060050655056 12120101310112