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121122100022012 = 2293737018731819
BaseRepresentation
bin11011100010100011101111…
…101111110000101011111100
3120212212011022101221020112222
4123202203233233300223330
5111333431030101201022
61105334420302344512
734340532360043565
oct3342435757605374
9525764271836488
10121122100022012
11356586598a7901
121170233628b138
1352779c39a773b
1421ca4ab6b316c
15e009e53e1242
hex6e28efbf0afc

121122100022012 has 24 divisors (see below), whose sum is σ = 212247247704240. Its totient is φ = 60480064195200.

The previous prime is 121122100021987. The next prime is 121122100022023. The reversal of 121122100022012 is 210220001221121.

It is a super-2 number, since 2×1211221000220122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9505439 + ... + 18237257.

It is an arithmetic number, because the mean of its divisors is an integer number (8843635321010).

Almost surely, 2121122100022012 is an apocalyptic number.

It is an amenable number.

121122100022012 is a deficient number, since it is larger than the sum of its proper divisors (91125147682228).

121122100022012 is a wasteful number, since it uses less digits than its factorization.

121122100022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736461 (or 8736459 counting only the distinct ones).

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

Adding to 121122100022012 its reverse (210220001221121), we get a palindrome (331342101243133).

The spelling of 121122100022012 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, twelve".

Divisors: 1 2 4 937 1874 3701 3748 7402 14804 3467837 6935674 8731819 13871348 17463638 34927276 8181714403 16363428806 32316462119 32726857612 64632924238 129265848476 30280525005503 60561050011006 121122100022012