Search a number
-
+
12003032212 = 22374311316691
BaseRepresentation
bin10110010110110111…
…11011110010010100
31010222111211012202121
423023123323302110
5144040234012322
65303014345324
7603306043003
oct131333736224
933874735677
1012003032212
1150aa442836
1223ab95b244
131193986a32
1481c1aac3a
154a3b6dec7
hex2cb6fbc94

12003032212 has 48 divisors (see below), whose sum is σ = 22271401152. Its totient is φ = 5652702720.

The previous prime is 12003032207. The next prime is 12003032219. The reversal of 12003032212 is 21223030021.

It is a super-2 number, since 2×120030322122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003032219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710787 + ... + 727477.

It is an arithmetic number, because the mean of its divisors is an integer number (463987524).

Almost surely, 212003032212 is an apocalyptic number.

It is an amenable number.

12003032212 is a deficient number, since it is larger than the sum of its proper divisors (10268368940).

12003032212 is a wasteful number, since it uses less digits than its factorization.

12003032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888 (or 16886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12003032212 its reverse (21223030021), we get a palindrome (33226062233).

The spelling of 12003032212 in words is "twelve billion, three million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 37 43 74 86 113 148 172 226 452 1591 3182 4181 4859 6364 8362 9718 16691 16724 19436 33382 66764 179783 359566 617567 717713 719132 1235134 1435426 1886083 2470268 2870852 3772166 7544332 26555381 53110762 69785071 81101569 106221524 139570142 162203138 279140284 324406276 3000758053 6001516106 12003032212