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121212120000122 = 215733710691071541
BaseRepresentation
bin11011100011110111100101…
…010110101110011001111010
3120220011202200001101221111022
4123203313211112232121322
5111341414410210000442
61105444025035102442
734350200221165424
oct3343674526563172
9526152601357438
10121212120000122
1135692853823828
12117178798a1a22
13528333b9a3188
1421d09ab0d1814
15e030133b73d2
hex6e3de55ae67a

121212120000122 has 32 divisors (see below), whose sum is σ = 183691058987280. Its totient is φ = 59985117803520.

The previous prime is 121212120000043. The next prime is 121212120000221. The reversal of 121212120000122 is 221000021212121.

121212120000122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13098311867281 + 108113808132841 = 3619159^2 + 10397779^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121212120000122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112583672 + ... + 113655212.

Almost surely, 2121212120000122 is an apocalyptic number.

121212120000122 is a deficient number, since it is larger than the sum of its proper divisors (62478938987158).

121212120000122 is a wasteful number, since it uses less digits than its factorization.

121212120000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073106.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121212120000122 its reverse (221000021212121), we get a palindrome (342212141212243).

The spelling of 121212120000122 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 157 314 337 674 1069 2138 52909 105818 167833 335666 360253 720506 1071541 2143082 56559721 113119442 168231937 336463874 361109317 722218634 1145477329 2290954658 56694162769 113388325538 179839940653 359679881306 386025859873 772051719746 60606060000061 121212120000122