Search a number
-
+
121120120000012 = 227109255715520333
BaseRepresentation
bin11011100010100001111001…
…101110100100111000001100
3120212211222012102011200222211
4123202201321232210320030
5111333413001210000022
61105333452011520204
734340432325116650
oct3342417156447014
9525758172150884
10121120120000012
1135657833165a91
1211701a83159064
1352777697067a3
1421ca360738a60
15e0092b677e77
hex6e2879ba4e0c

121120120000012 has 48 divisors (see below), whose sum is σ = 244558248531520. Its totient is φ = 51412279295232.

The previous prime is 121120119999997. The next prime is 121120120000021. The reversal of 121120120000012 is 210000021021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120119999947 and 121120120000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43798 + ... + 15564130.

Almost surely, 2121120120000012 is an apocalyptic number.

It is an amenable number.

121120120000012 is an abundant number, since it is smaller than the sum of its proper divisors (123438128531508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120120000012 is a wasteful number, since it uses less digits than its factorization.

121120120000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523010 (or 15523008 counting only the distinct ones).

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

Adding to 121120120000012 its reverse (210000021021121), we get a palindrome (331120141021133).

The spelling of 121120120000012 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred twenty million, twelve", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 109 218 436 763 1526 2557 3052 5114 10228 17899 35798 71596 278713 557426 1114852 1950991 3901982 7803964 15520333 31040666 62081332 108642331 217284662 434569324 1691716297 3383432594 6766865188 11842014079 23684028158 39685491481 47368056316 79370982962 158741965924 277798440367 555596880734 1111193761468 4325718571429 8651437142858 17302874285716 30280030000003 60560060000006 121120120000012