Search a number
-
+
12102002121102 = 231927376537789
BaseRepresentation
bin1011000000011011011110…
…0010011001100110001110
31120211221101100001201212120
42300012313202121212032
53041234400020333402
641423325533313410
72356224615515535
oct260066742314616
946757340051776
1012102002121102
113946480776143
121435548035866
1369a2a1c39c6a
142dba508cb31c
1515ec02cdb3bc
hexb01b789998e

12102002121102 has 48 divisors (see below), whose sum is σ = 25894877415120. Its totient is φ = 3769332983424.

The previous prime is 12102002121089. The next prime is 12102002121119. The reversal of 12102002121102 is 20112120020121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38110777 + ... + 38427012.

It is an arithmetic number, because the mean of its divisors is an integer number (539476612815).

Almost surely, 212102002121102 is an apocalyptic number.

12102002121102 is an abundant number, since it is smaller than the sum of its proper divisors (13792875294018).

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

12102002121102 is a wasteful number, since it uses less digits than its factorization.

12102002121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76537905 (or 76537886 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102002121102 its reverse (20112120020121), we get a palindrome (32214122141223).

The spelling of 12102002121102 in words is "twelve trillion, one hundred two billion, two million, one hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 73 114 146 219 361 438 722 1083 1387 2166 2774 4161 8322 26353 52706 79059 158118 76537789 153075578 229613367 459226734 1454217991 2908435982 4362653973 5587258597 8725307946 11174517194 16761775791 27630141829 33523551582 55260283658 82890425487 106157913343 165780850974 212315826686 318473740029 636947480058 2017000353517 4034000707034 6051001060551 12102002121102