Search a number
-
+
12000210211 = 11299175291
BaseRepresentation
bin10110010110100010…
…01010110100100011
31010222022111211201001
423023101022310203
5144034023211321
65302434052431
7603243050413
oct131321126443
933868454631
1012000210211
1150a8895600
1223aaa1a117
131193209402
1481ba74643
154a37b2c91
hex2cb44ad23

12000210211 has 6 divisors (see below), whose sum is σ = 13190313836. Its totient is φ = 10909281900.

The previous prime is 12000210199. The next prime is 12000210269. The reversal of 12000210211 is 11201200021.

It is not a de Polignac number, because 12000210211 - 29 = 12000209699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000210311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49587525 + ... + 49587766.

Almost surely, 212000210211 is an apocalyptic number.

12000210211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000210211 is a deficient number, since it is larger than the sum of its proper divisors (1190103625).

12000210211 is an equidigital number, since it uses as much as digits as its factorization.

12000210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99175313 (or 99175302 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000210211 its reverse (11201200021), we get a palindrome (23201410232).

The spelling of 12000210211 in words is "twelve billion, two hundred ten thousand, two hundred eleven".

Divisors: 1 11 121 99175291 1090928201 12000210211