Search a number
-
+
12203013012 = 2236911471661
BaseRepresentation
bin10110101110101101…
…10011001110010100
31011111110010021211220
423113112303032110
5144442432404022
65334520530340
7611254620261
oct132726631624
934443107756
1012203013012
1151a2312323
1224469209b0
1311c6235378
1483a986268
154b64c285c
hex2d75b3394

12203013012 has 24 divisors (see below), whose sum is σ = 28514922912. Its totient is φ = 4061781600.

The previous prime is 12203012909. The next prime is 12203013023. The reversal of 12203013012 is 21031030221.

It is a junction number, because it is equal to n+sod(n) for n = 12203012982 and 12203013000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727539 + ... + 744122.

It is an arithmetic number, because the mean of its divisors is an integer number (1188121788).

Almost surely, 212203013012 is an apocalyptic number.

12203013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12203013012 is an abundant number, since it is smaller than the sum of its proper divisors (16311909900).

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

12203013012 is a wasteful number, since it uses less digits than its factorization.

12203013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472359 (or 1472357 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12203013012 its reverse (21031030221), we get a palindrome (33234043233).

The spelling of 12203013012 in words is "twelve billion, two hundred three million, thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 691 1382 2073 2764 4146 8292 1471661 2943322 4414983 5886644 8829966 17659932 1016917751 2033835502 3050753253 4067671004 6101506506 12203013012