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1211210000108 = 221129268204163
BaseRepresentation
bin10001101000000001101…
…111011110011011101100
311021210100022022010012122
4101220001233132123230
5124321024230000413
62324231105452112
7153335625063053
oct21500157363354
94253308263178
101211210000108
11427742518099
121768a7941038
138a2a7b8b274
14428a126139a
152178de0c108
hex11a01bde6ec

1211210000108 has 12 divisors (see below), whose sum is σ = 2121494937240. Its totient is φ = 605068589472.

The previous prime is 1211210000107. The next prime is 1211210000149. The reversal of 1211210000108 is 8010000121121.

It is not an unprimeable number, because it can be changed into a prime (1211210000107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134097566 + ... + 134106597.

It is an arithmetic number, because the mean of its divisors is an integer number (176791244770).

Almost surely, 21211210000108 is an apocalyptic number.

It is an amenable number.

1211210000108 is a deficient number, since it is larger than the sum of its proper divisors (910284937132).

1211210000108 is a wasteful number, since it uses less digits than its factorization.

1211210000108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268205296 (or 268205294 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1211210000108 its reverse (8010000121121), we get a palindrome (9221210121229).

The spelling of 1211210000108 in words is "one trillion, two hundred eleven billion, two hundred ten million, one hundred eight", and thus it is an aban number.

Divisors: 1 2 4 1129 2258 4516 268204163 536408326 1072816652 302802500027 605605000054 1211210000108