Search a number
-
+
20120212120222 = 223437395915657
BaseRepresentation
bin1001001001100100110100…
…00110001010001010011110
32122020110210011202221101201
410210302122012022022132
510114122143300321342
6110443033045030114
74144431420131404
oct444623206121236
978213704687351
1020120212120222
116457a30233225
12230b5223b533a
13b2c43540a016
144d7b7581d474
1524d58d78bdb7
hex124c9a18a29e

20120212120222 has 8 divisors (see below), whose sum is σ = 31492505927376. Its totient is φ = 9622710144432.

The previous prime is 20120212120159. The next prime is 20120212120237. The reversal of 20120212120222 is 22202121202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20120212120222.

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 3 ways as a sum of consecutive naturals, for example, 218697957783 + ... + 218697957874.

It is an arithmetic number, because the mean of its divisors is an integer number (3936563240922).

Almost surely, 220120212120222 is an apocalyptic number.

20120212120222 is a deficient number, since it is larger than the sum of its proper divisors (11372293807154).

20120212120222 is a wasteful number, since it uses less digits than its factorization.

20120212120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437395915682.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20120212120222 its reverse (22202121202102), we get a palindrome (42322333322324).

The spelling of 20120212120222 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 23 46 437395915657 874791831314 10060106060111 20120212120222