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12121222101002 = 278323741439381
BaseRepresentation
bin1011000001100011000100…
…1000110011100000001010
31120220202222210211212200222
42300120301020303200022
53042043230324213002
641440225040230042
72360505116612420
oct260306110634012
946822883755628
1012121222101002
113953643970553
12143921090b322
1369c045b38c31
142dc955369110
1516047a32a1a2
hexb063123380a

12121222101002 has 32 divisors (see below), whose sum is σ = 21030523807104. Its totient is φ = 5131993550400.

The previous prime is 12121222100989. The next prime is 12121222101011. The reversal of 12121222101002 is 20010122212121.

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, 27367352 + ... + 27806732.

It is an arithmetic number, because the mean of its divisors is an integer number (657203868972).

Almost surely, 212121222101002 is an apocalyptic number.

12121222101002 is a deficient number, since it is larger than the sum of its proper divisors (8909301706102).

12121222101002 is a wasteful number, since it uses less digits than its factorization.

12121222101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463214.

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

Adding to 12121222101002 its reverse (20010122212121), we get a palindrome (32131344313123).

The spelling of 12121222101002 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, two".

Divisors: 1 2 7 14 83 166 581 1162 23741 47482 166187 332374 439381 878762 1970503 3075667 3941006 6151334 13793521 27587042 36468623 72937246 255280361 510560722 10431344321 20862688642 73019410247 146038820494 865801578643 1731603157286 6060611050501 12121222101002