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12222021202000 = 245346313198727
BaseRepresentation
bin1011000111011010100100…
…1110110111000001010000
31121021102011200010202102221
42301312221032313001100
53100221144411431000
641554415150550424
72401004036051431
oct261665116670120
947242150122387
1012222021202000
11399236a382aa5
121454862208414
136a86bb0752ac
1430379859d488
15162dc97b061a
hexb1da93b7050

12222021202000 has 80 divisors (see below), whose sum is σ = 29616678554112. Its totient is φ = 4878249129600.

The previous prime is 12222021201989. The next prime is 12222021202049. The reversal of 12222021202000 is 20212022221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 5673364 + ... + 7525363.

Almost surely, 212222021202000 is an apocalyptic number.

12222021202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222021202000 is an abundant number, since it is smaller than the sum of its proper divisors (17394657352112).

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

12222021202000 is a wasteful number, since it uses less digits than its factorization.

12222021202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199213 (or 13199197 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12222021202000 its reverse (20212022221), we get a palindrome (12242233224221).

The spelling of 12222021202000 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 463 500 926 1000 1852 2000 2315 3704 4630 7408 9260 11575 18520 23150 37040 46300 57875 92600 115750 185200 231500 463000 926000 13198727 26397454 52794908 65993635 105589816 131987270 211179632 263974540 329968175 527949080 659936350 1055898160 1319872700 1649840875 2639745400 3299681750 5279490800 6111010601 6599363500 12222021202 13198727000 24444042404 26397454000 30555053005 48888084808 61110106010 97776169616 122220212020 152775265025 244440424040 305550530050 488880848080 611101060100 763876325125 1222202120200 1527752650250 2444404240400 3055505300500 6111010601000 12222021202000