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12121001002202 = 2232139531231579
BaseRepresentation
bin1011000001100010001111…
…1101011000010011011010
31120220202102101210220011112
42300120203331120103122
53042042302224032302
641440151101300322
72360466463401461
oct260304375302332
946822371726145
1012121001002202
113953540087774
12143916a8646a2
1369c00c0a5341
142dc933c539d8
15160465c04552
hexb0623f584da

12121001002202 has 16 divisors (see below), whose sum is σ = 18972105647040. Its totient is φ = 5796968677632.

The previous prime is 12121001002189. The next prime is 12121001002247. The reversal of 12121001002202 is 20220010012121.

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, 9226049 + ... + 10457627.

It is an arithmetic number, because the mean of its divisors is an integer number (1185756602940).

Almost surely, 212121001002202 is an apocalyptic number.

12121001002202 is a deficient number, since it is larger than the sum of its proper divisors (6851104644838).

12121001002202 is a wasteful number, since it uses less digits than its factorization.

12121001002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445557.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121001002202 its reverse (20220010012121), we get a palindrome (32341011014323).

The spelling of 12121001002202 in words is "twelve trillion, one hundred twenty-one billion, one million, two thousand, two hundred two".

Divisors: 1 2 23 46 213953 427906 1231579 2463158 4920919 9841838 28326317 56652634 263500021787 527000043574 6060500501101 12121001002202