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2230020031212 = 22321371021144281
BaseRepresentation
bin100000011100110111100…
…011010100001011101100
321220012001221010010111100
4200130313203110023230
5243014040111444322
64424242420323100
7320053655336661
oct40346743241354
97805057103440
102230020031212
1178a823197836
12300239243490
131323a014000c
1479d0d911a68
153d01bbd5dac
hex207378d42ec

2230020031212 has 72 divisors (see below), whose sum is σ = 5678825351472. Its totient is φ = 737825241600.

The previous prime is 2230020031193. The next prime is 2230020031273. The reversal of 2230020031212 is 2121300200322.

2230020031212 is a `hidden beast` number, since 22 + 300 + 20 + 0 + 312 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50338512 + ... + 50382792.

It is an arithmetic number, because the mean of its divisors is an integer number (78872574326).

Almost surely, 22230020031212 is an apocalyptic number.

It is an amenable number.

2230020031212 is an abundant number, since it is smaller than the sum of its proper divisors (3448805320260).

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

2230020031212 is a wasteful number, since it uses less digits than its factorization.

2230020031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54639 (or 54634 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2230020031212 its reverse (2121300200322), we get a palindrome (4351320231534).

The spelling of 2230020031212 in words is "two trillion, two hundred thirty billion, twenty million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 411 548 822 1233 1644 2466 4932 10211 20422 30633 40844 44281 61266 88562 91899 122532 132843 177124 183798 265686 367596 398529 531372 797058 1398907 1594116 2797814 4196721 5595628 6066497 8393442 12132994 12590163 16786884 18199491 24265988 25180326 36398982 50360652 54598473 72797964 109196946 218393892 452153291 904306582 1356459873 1808613164 2712919746 4069379619 5425839492 8138759238 16277518476 61945000867 123890001734 185835002601 247780003468 371670005202 557505007803 743340010404 1115010015606 2230020031212