Search a number
-
+
212201020220120 = 23519972656497499
BaseRepresentation
bin110000001111111011100110…
…011011100110001011011000
31000211100012220221201101202122
4300033323212123212023120
5210303200142134020440
62031151445232320412
762461006046111651
oct6017734633461330
91024305827641678
10212201020220120
1161682a46932878
121b971b903a3108
139153616467479
143a58826db6528
15197ec7ecab7b5
hexc0fee66e62d8

212201020220120 has 32 divisors (see below), whose sum is σ = 477691380450000. Its totient is φ = 84837904096128.

The previous prime is 212201020220117. The next prime is 212201020220177. The reversal of 212201020220120 is 21022020102212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328168870 + ... + 1328328629.

Almost surely, 2212201020220120 is an apocalyptic number.

212201020220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201020220120 is an abundant number, since it is smaller than the sum of its proper divisors (265490360229880).

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

212201020220120 is a wasteful number, since it uses less digits than its factorization.

212201020220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656499507 (or 2656499503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212201020220120 its reverse (21022020102212), we get a palindrome (233223040322332).

The spelling of 212201020220120 in words is "two hundred twelve trillion, two hundred one billion, twenty million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1997 3994 7988 9985 15976 19970 39940 79880 2656497499 5312994998 10625989996 13282487495 21251979992 26564974990 53129949980 106259899960 5305025505503 10610051011006 21220102022012 26525127527515 42440204044024 53050255055030 106100510110060 212201020220120