Search a number
-
+
12000210212 = 2220353147401
BaseRepresentation
bin10110010110100010…
…01010110100100100
31010222022111211201002
423023101022310210
5144034023211322
65302434052432
7603243050414
oct131321126444
933868454632
1012000210212
1150a8895601
1223aaa1a118
131193209403
1481ba74644
154a37b2c92
hex2cb44ad24

12000210212 has 12 divisors (see below), whose sum is σ = 21001542156. Its totient is φ = 5999769600.

The previous prime is 12000210199. The next prime is 12000210269. The reversal of 12000210212 is 21201200021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4786425856 + 7213784356 = 69184^2 + 84934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000210193 and 12000210202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7712 + ... + 155112.

It is an arithmetic number, because the mean of its divisors is an integer number (1750128513).

Almost surely, 212000210212 is an apocalyptic number.

It is an amenable number.

12000210212 is a deficient number, since it is larger than the sum of its proper divisors (9001331944).

12000210212 is a wasteful number, since it uses less digits than its factorization.

12000210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167758 (or 167756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000210212 its reverse (21201200021), we get a palindrome (33201410233).

The spelling of 12000210212 in words is "twelve billion, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 20353 40706 81412 147401 294802 589604 3000052553 6000105106 12000210212