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12213202330020 = 2235375501442491
BaseRepresentation
bin1011000110111001101110…
…0101100010000110100100
31121020120102001212122100210
42301232123211202012210
53100100114244030040
641550400115535420
72400242352634416
oct261563345420644
947216361778323
1012213202330020
113989654354a4a
1214530008ba570
136a7913ca2453
1430319d2569b6
15162a60461480
hexb1b9b9621a4

12213202330020 has 48 divisors (see below), whose sum is σ = 35121208868928. Its totient is φ = 3168830874240.

The previous prime is 12213202330001. The next prime is 12213202330039. The reversal of 12213202330020 is 2003320231221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12213202330001) and next prime (12213202330039).

It is a super-2 number, since 2×122132023300202 (a number of 27 digits) contains 22 as substring.

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, 2750719026 + ... + 2750723465.

It is an arithmetic number, because the mean of its divisors is an integer number (731691851436).

Almost surely, 212213202330020 is an apocalyptic number.

12213202330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213202330020 is an abundant number, since it is smaller than the sum of its proper divisors (22908006538908).

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

12213202330020 is a wasteful number, since it uses less digits than its factorization.

12213202330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501442540 (or 5501442538 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12213202330020 its reverse (2003320231221), we get a palindrome (14216522561241).

The spelling of 12213202330020 in words is "twelve trillion, two hundred thirteen billion, two hundred two million, three hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 5501442491 11002884982 16504327473 22005769964 27507212455 33008654946 55014424910 66017309892 82521637365 110028849820 165043274730 203553372167 330086549460 407106744334 610660116501 814213488668 1017766860835 1221320233002 2035533721670 2442640466004 3053300582505 4071067443340 6106601165010 12213202330020