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12101020202000 = 245340499149399
BaseRepresentation
bin1011000000010111110100…
…0000101011010000010000
31120211211211220102002002102
42300011331000223100100
53041230342132431000
641423044255335532
72356161363401612
oct260057500532020
946754756362072
1012101020202000
113946017481854
1214353132215a8
1369a176690842
142db99a328db2
1515eb969cc3d5
hexb017d02b410

12101020202000 has 80 divisors (see below), whose sum is σ = 29261185200000. Its totient is φ = 4840256163200.

The previous prime is 12101020201927. The next prime is 12101020202017. The reversal of 12101020202000 is 20202010121.

It is a happy number.

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

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, 80923301 + ... + 81072699.

It is an arithmetic number, because the mean of its divisors is an integer number (365764815000).

Almost surely, 212101020202000 is an apocalyptic number.

12101020202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101020202000 is an abundant number, since it is smaller than the sum of its proper divisors (17160164998000).

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

12101020202000 is a wasteful number, since it uses less digits than its factorization.

12101020202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189921 (or 189905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12101020202000 its reverse (20202010121), we get a palindrome (12121222212121).

The spelling of 12101020202000 in words is "twelve trillion, one hundred one billion, twenty million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 40499 80998 149399 161996 202495 298798 323992 404990 597596 647984 746995 809980 1012475 1195192 1493990 1619960 2024950 2390384 2987980 3239920 3734975 4049900 5062375 5975960 7469950 8099800 10124750 11951920 14939900 16199600 18674875 20249500 29879800 37349750 40499000 59759600 74699500 80998000 149399000 298798000 6050510101 12101020202 24202040404 30252550505 48404080808 60505101010 96808161616 121010202020 151262752525 242020404040 302525505050 484040808080 605051010100 756313762625 1210102020200 1512627525250 2420204040400 3025255050500 6050510101000 12101020202000