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121222000010 = 25149322513607
BaseRepresentation
bin111000011100101100…
…1001110110110001010
3102120220011120122101002
41300321121032312022
53441230313000020
6131404424055002
711520664666436
oct1607131166612
9376804518332
10121222000010
1147456727891
121b5b1004462
13b57b4123b7
145c1d7619c6
1532473d9975
hex1c3964ed8a

121222000010 has 32 divisors (see below), whose sum is σ = 218503308672. Its totient is φ = 48421368000.

The previous prime is 121222000001. The next prime is 121222000013. The reversal of 121222000010 is 10000222121.

It is a happy number.

121222000010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121221999955 and 121222000000.

It is not an unprimeable number, because it can be changed into a prime (121222000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33605627 + ... + 33609233.

It is an arithmetic number, because the mean of its divisors is an integer number (6828228396).

Almost surely, 2121222000010 is an apocalyptic number.

121222000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222000010 is a deficient number, since it is larger than the sum of its proper divisors (97281308662).

121222000010 is a wasteful number, since it uses less digits than its factorization.

121222000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121222000010 its reverse (10000222121), we get a palindrome (131222222131).

The spelling of 121222000010 in words is "one hundred twenty-one billion, two hundred twenty-two million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 1493 2251 2986 3607 4502 7214 7465 11255 14930 18035 22510 36070 3360743 5385251 6721486 8119357 10770502 16238714 16803715 26926255 33607430 40596785 53852510 81193570 12122200001 24244400002 60611000005 121222000010