Search a number
-
+
1213022103122 = 23183235721357
BaseRepresentation
bin10001101001101101110…
…000000110011001010010
311021222000121002111020002
4101221231300012121102
5124333232124244442
62325131001250002
7153431550516164
oct21515560063122
94258017074202
101213022103122
11428492398995
12177112793902
138a50642817b
14429d3ba8934
1521848056732
hex11a6dc06652

1213022103122 has 16 divisors (see below), whose sum is σ = 1900857030912. Its totient is φ = 579874535760.

The previous prime is 1213022103113. The next prime is 1213022103173. The reversal of 1213022103122 is 2213012203121.

It is a junction number, because it is equal to n+sod(n) for n = 1213022103094 and 1213022103103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117855533 + ... + 117865824.

It is an arithmetic number, because the mean of its divisors is an integer number (118803564432).

Almost surely, 21213022103122 is an apocalyptic number.

1213022103122 is a deficient number, since it is larger than the sum of its proper divisors (687834927790).

1213022103122 is a wasteful number, since it uses less digits than its factorization.

1213022103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235721473.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1213022103122 its reverse (2213012203121), we get a palindrome (3426034306243).

Subtracting 1213022103122 from its reverse (2213012203121), we obtain a palindrome (999990099999).

The spelling of 1213022103122 in words is "one trillion, two hundred thirteen billion, twenty-two million, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 31 62 83 166 2573 5146 235721357 471442714 7307362067 14614724134 19564872631 39129745262 606511051561 1213022103122