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12002110010020 = 22513139332100443
BaseRepresentation
bin1010111010100111010110…
…0000001111001010100100
31120111101112200102201101201
42232221311200033022210
53033120310130310040
641305405422532244
72346060321550144
oct256516540171244
946441480381351
1012002110010020
11390808022a639
12141a10a437084
13690a428a3a20
142d6c95d12924
1515c3082b3a9a
hexaea7580f2a4

12002110010020 has 48 divisors (see below), whose sum is σ = 27338508550080. Its totient is φ = 4399666655616.

The previous prime is 12002110010017. The next prime is 12002110010029. The reversal of 12002110010020 is 2001001120021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12002110009979 and 12002110010006.

It is not an unprimeable number, because it can be changed into a prime (12002110010029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166014082 + ... + 166086361.

It is an arithmetic number, because the mean of its divisors is an integer number (569552261460).

Almost surely, 212002110010020 is an apocalyptic number.

12002110010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002110010020 is an abundant number, since it is smaller than the sum of its proper divisors (15336398540060).

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

12002110010020 is a wasteful number, since it uses less digits than its factorization.

12002110010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332100604 (or 332100602 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12002110010020 its reverse (2001001120021), we get a palindrome (14003111130041).

The spelling of 12002110010020 in words is "twelve trillion, two billion, one hundred ten million, ten thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 139 260 278 556 695 1390 1807 2780 3614 7228 9035 18070 36140 332100443 664200886 1328401772 1660502215 3321004430 4317305759 6642008860 8634611518 17269223036 21586528795 43173057590 46161961577 86346115180 92323923154 184647846308 230809807885 461619615770 600105500501 923239231540 1200211001002 2400422002004 3000527502505 6001055005010 12002110010020