Search a number
-
+
121201120010 = 2512120112001
BaseRepresentation
bin111000011100000100…
…1100101001100001010
3102120211201021211101202
41300320021211030022
53441204441320020
6131402400344202
711520322344005
oct1607011451412
9376751254352
10121201120010
1147445966393
121b5a6015062
13b576cb1579
145c1aa8853c
153245662e75
hex1c3826530a

121201120010 has 8 divisors (see below), whose sum is σ = 218162016036. Its totient is φ = 48480448000.

The previous prime is 121201119973. The next prime is 121201120037. The reversal of 121201120010 is 10021102121.

It can be written as a sum of positive squares in 2 ways, for example, as 119886985009 + 1314135001 = 346247^2 + 36251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1212011200102 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121201119973 and 121201120000.

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, 6060055991 + ... + 6060056010.

Almost surely, 2121201120010 is an apocalyptic number.

121201120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201120010 is a deficient number, since it is larger than the sum of its proper divisors (96960896026).

121201120010 is a wasteful number, since it uses less digits than its factorization.

121201120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120112008.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201120010 its reverse (10021102121), we get a palindrome (131222222131).

The spelling of 121201120010 in words is "one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, ten".

Divisors: 1 2 5 10 12120112001 24240224002 60600560005 121201120010