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121012012002122 = 25322717092942759
BaseRepresentation
bin11011100000111101001101…
…111111010010101101001010
3120212110122011011220101120222
4123200331031333102231022
5111330130100033031442
61105212052330150042
734326554316235433
oct3340751577225512
9525418134811528
10121012012002122
11356159a6aa908a
12116a4b31b82322
13526a4cb19cc77
1421c502693a48a
15decc0070d8d2
hex6e0f4dfd2b4a

121012012002122 has 32 divisors (see below), whose sum is σ = 185866369545600. Its totient is φ = 59068262763328.

The previous prime is 121012012002109. The next prime is 121012012002143. The reversal of 121012012002122 is 221200210210121.

It is a self number, because there is not a number n which added to its sum of digits gives 121012012002122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39650579 + ... + 42593337.

It is an arithmetic number, because the mean of its divisors is an integer number (5808324048300).

Almost surely, 2121012012002122 is an apocalyptic number.

121012012002122 is a deficient number, since it is larger than the sum of its proper divisors (64854357543478).

121012012002122 is a wasteful number, since it uses less digits than its factorization.

121012012002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944750.

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

Adding to 121012012002122 its reverse (221200210210121), we get a palindrome (342212222212243).

The spelling of 121012012002122 in words is "one hundred twenty-one trillion, twelve billion, twelve million, two thousand, one hundred twenty-two".

Divisors: 1 2 53 106 227 454 1709 3418 12031 24062 90577 181154 387943 775886 2942759 5885518 20560979 41121958 155966227 311932454 668006293 1336012586 5029175131 10058350262 35404333529 70808667058 266546281943 533092563886 1141622754737 2283245509474 60506006001061 121012012002122