Search a number
-
+
12102112010 = 2531257151903
BaseRepresentation
bin10110100010101011…
…11001001100001010
31011020102020222200202
423101111321030022
5144241120041020
65320514132202
7605621153252
oct132125711412
934212228622
1012102112010
11515036596a
122418b81062
1311ab367731
1482b3dc962
154ac6e0e75
hex2d157930a

12102112010 has 32 divisors (see below), whose sum is σ = 22574149632. Its totient is φ = 4666429440.

The previous prime is 12102111971. The next prime is 12102112021. The reversal of 12102112010 is 1021120121.

It is a super-2 number, since 2×121021120102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102111982 and 12102112000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719 + ... + 155621.

It is an arithmetic number, because the mean of its divisors is an integer number (705442176).

Almost surely, 212102112010 is an apocalyptic number.

12102112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102112010 is a deficient number, since it is larger than the sum of its proper divisors (10472037622).

12102112010 is a wasteful number, since it uses less digits than its factorization.

12102112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152198.

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

Adding to 12102112010 its reverse (1021120121), we get a palindrome (13123232131).

The spelling of 12102112010 in words is "twelve billion, one hundred two million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 31 62 155 257 310 514 1285 2570 7967 15934 39835 79670 151903 303806 759515 1519030 4708993 9417986 23544965 39039071 47089930 78078142 195195355 390390710 1210211201 2420422402 6051056005 12102112010