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121122102202012 = 2254749955306997
BaseRepresentation
bin11011100010100011101111…
…111000000100111010011100
3120212212011022120000222221201
4123202203233320010322130
5111333431031130431022
61105334420421205244
734340532414423352
oct3342435770047234
9525764276028851
10121122102202012
113565866005675a
1211702336b60824
1352779c428ba92
1421ca4ababd7d2
15e009e56c2127
hex6e28efe04e9c

121122102202012 has 12 divisors (see below), whose sum is σ = 211964069835000. Its totient is φ = 60560939392016.

The previous prime is 121122102202001. The next prime is 121122102202043. The reversal of 121122102202012 is 210202201221121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25463503 + ... + 29843494.

It is an arithmetic number, because the mean of its divisors is an integer number (17663672486250).

Almost surely, 2121122102202012 is an apocalyptic number.

It is an amenable number.

121122102202012 is a deficient number, since it is larger than the sum of its proper divisors (90841967632988).

121122102202012 is a wasteful number, since it uses less digits than its factorization.

121122102202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55854500 (or 55854498 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122102202012 its reverse (210202201221121), we get a palindrome (331324303423133).

The spelling of 121122102202012 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, two hundred two thousand, twelve".

Divisors: 1 2 4 547499 1094998 2189996 55306997 110613994 221227988 30280525550503 60561051101006 121122102202012