Search a number
-
+
12012120210 = 235400404007
BaseRepresentation
bin10110010111111101…
…00110100010010010
31011000010220221011010
423023332212202102
5144100100321320
65303541231350
7603446223426
oct131376464222
934003827133
1012012120210
11510458a782
1223b2a02556
13119581944c
1481d494b86
154a4866ae0
hex2cbfa6892

12012120210 has 16 divisors (see below), whose sum is σ = 28829088576. Its totient is φ = 3203232048.

The previous prime is 12012120203. The next prime is 12012120229. The reversal of 12012120210 is 1202121021.

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, 200201974 + ... + 200202033.

It is an arithmetic number, because the mean of its divisors is an integer number (1801818036).

Almost surely, 212012120210 is an apocalyptic number.

12012120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012120210 is an abundant number, since it is smaller than the sum of its proper divisors (16816968366).

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

12012120210 is a wasteful number, since it uses less digits than its factorization.

12012120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400404017.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012120210 its reverse (1202121021), we get a palindrome (13214241231).

The spelling of 12012120210 in words is "twelve billion, twelve million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 400404007 800808014 1201212021 2002020035 2402424042 4004040070 6006060105 12012120210