Search a number
-
+
2212211222012 = 2211223319616671
BaseRepresentation
bin100000001100010010000…
…100000110010111111100
321211111002210200212221102
4200030102010012113330
5242221102033101022
64412135323552232
7315553441062311
oct40142204062774
97744083625842
102212211222012
11783214620900
122b88a908b678
131307c27011ac
1479100652d08
153c8284e6a92
hex203121065fc

2212211222012 has 36 divisors (see below), whose sum is σ = 4273570461888. Its totient is φ = 1001234836800.

The previous prime is 2212211221993. The next prime is 2212211222021. The reversal of 2212211222012 is 2102221122122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9695564 + ... + 9921107.

It is an arithmetic number, because the mean of its divisors is an integer number (118710290608).

Almost surely, 22212211222012 is an apocalyptic number.

2212211222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2212211222012 is a deficient number, since it is larger than the sum of its proper divisors (2061359239876).

2212211222012 is a wasteful number, since it uses less digits than its factorization.

2212211222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19616930 (or 19616917 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212211222012 its reverse (2102221122122), we get a palindrome (4314432344134).

The spelling of 2212211222012 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 121 233 242 466 484 932 2563 5126 10252 28193 56386 112772 19616671 39233342 78466684 215783381 431566762 863133524 2373617191 4570684343 4747234382 9141368686 9494468764 18282737372 50277527773 100555055546 201110111092 553052805503 1106105611006 2212211222012