Search a number
-
+
12012232120212 = 22370113191082629
BaseRepresentation
bin1010111011001101000011…
…0101000001011110010100
31120112100200002222012012210
42232303100311001132110
53033302022410321322
641314202050513420
72346566211222402
oct256632065013624
946470602865183
1012012232120212
1139113a4967865
121420074295870
1369199697673c
142d7576380472
1515c6ebc4270c
hexaecd0d41794

12012232120212 has 48 divisors (see below), whose sum is σ = 28089831369600. Its totient is φ = 3995330371200.

The previous prime is 12012232120193. The next prime is 12012232120247. The reversal of 12012232120212 is 21202123221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10554114 + ... + 11636742.

It is an arithmetic number, because the mean of its divisors is an integer number (585204820200).

Almost surely, 212012232120212 is an apocalyptic number.

12012232120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012232120212 is an abundant number, since it is smaller than the sum of its proper divisors (16077599249388).

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

12012232120212 is a wasteful number, since it uses less digits than its factorization.

12012232120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084656 (or 1084654 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12012232120212 its reverse (21202123221021), we get a palindrome (33214355341233).

The spelling of 12012232120212 in words is "twelve trillion, twelve billion, two hundred thirty-two million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 701 1319 1402 2103 2638 2804 3957 4206 5276 7914 8412 15828 924619 1082629 1849238 2165258 2773857 3247887 3698476 4330516 5547714 6495774 11095428 12991548 758922929 1427987651 1517845858 2276768787 2855975302 3035691716 4283962953 4553537574 5711950604 8567925906 9107075148 17135851812 1001019343351 2002038686702 3003058030053 4004077373404 6006116060106 12012232120212