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12121000001122 = 2178272467174737
BaseRepresentation
bin1011000001100010001111…
…1001100011111001100010
31120220202102022221000221111
42300120203321203321202
53042042302000013442
641440151024013534
72360466452032045
oct260304371437142
946822368830844
1012121000001122
11395353a563631
12143916a4612aa
1369c00bb1479c
142dc933a72c5c
15160465aa7b17
hexb0623e63e62

12121000001122 has 32 divisors (see below), whose sum is σ = 19282201305408. Its totient is φ = 5694760866816.

The previous prime is 12121000001107. The next prime is 12121000001167. The reversal of 12121000001122 is 22110000012121.

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, 69279738 + ... + 69454474.

It is an arithmetic number, because the mean of its divisors is an integer number (602568790794).

Almost surely, 212121000001122 is an apocalyptic number.

12121000001122 is a deficient number, since it is larger than the sum of its proper divisors (7161201304286).

12121000001122 is a wasteful number, since it uses less digits than its factorization.

12121000001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178050.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121000001122 its reverse (22110000012121), we get a palindrome (34231000013243).

The spelling of 12121000001122 in words is "twelve trillion, one hundred twenty-one billion, one thousand, one hundred twenty-two".

Divisors: 1 2 17 34 827 1654 2467 4934 14059 28118 41939 83878 174737 349474 2040209 2970529 4080418 5941058 34683553 69367106 144507499 289014998 431076179 862152358 2456627483 4913254966 7328295043 14656590086 356500000033 713000000066 6060500000561 12121000001122