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12120101222010 = 235576031701357
BaseRepresentation
bin1011000001011110111001…
…0100111111011001111010
31120220200002200201022210020
42300113232110333121322
53042033431403101020
641435521520031310
72360435256366555
oct260275624773172
946820080638706
1012120101222010
113953119195581
121438b59462536
1369bbc7857a22
142dc88a55369c
15160411c1cc40
hexb05ee53f67a

12120101222010 has 32 divisors (see below), whose sum is σ = 29088334904832. Its totient is φ = 3232016773440.

The previous prime is 12120101222003. The next prime is 12120101222011. The reversal of 12120101222010 is 1022210102121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12120101222011) 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, 16930252 + ... + 17631608.

It is an arithmetic number, because the mean of its divisors is an integer number (909010465776).

Almost surely, 212120101222010 is an apocalyptic number.

12120101222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120101222010 is an abundant number, since it is smaller than the sum of its proper divisors (16968233682822).

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

12120101222010 is a wasteful number, since it uses less digits than its factorization.

12120101222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277398.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12120101222010 its reverse (1022210102121), we get a palindrome (13142311324131).

The spelling of 12120101222010 in words is "twelve trillion, one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 576031 701357 1152062 1402714 1728093 2104071 2880155 3456186 3506785 4208142 5760310 7013570 8640465 10520355 17280930 21040710 404003374067 808006748134 1212010122201 2020016870335 2424020244402 4040033740670 6060050611005 12120101222010