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12002203200021 = 3149228171176779
BaseRepresentation
bin1010111010100111101100…
…0011101110101000010101
31120111101210011210021001020
42232221323003232220111
53033121003004400041
641305422552151353
72346062532630126
oct256517303565025
946441704707036
1012002203200021
11390811889a671
12141a135698559
13690a58ca1938
142d6ca445004d
1515c311570866
hexaea7b0eea15

12002203200021 has 16 divisors (see below), whose sum is σ = 16111059624000. Its totient is φ = 7947412587008.

The previous prime is 12002203200019. The next prime is 12002203200041. The reversal of 12002203200021 is 12000230220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12002203200021 - 21 = 12002203200019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002203200041) 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, 9610810 + ... + 10787588.

It is an arithmetic number, because the mean of its divisors is an integer number (1006941226500).

Almost surely, 212002203200021 is an apocalyptic number.

It is an amenable number.

12002203200021 is a deficient number, since it is larger than the sum of its proper divisors (4108856423979).

12002203200021 is a wasteful number, since it uses less digits than its factorization.

12002203200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199748.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12002203200021 its reverse (12000230220021), we get a palindrome (24002433420042).

The spelling of 12002203200021 in words is "twelve trillion, two billion, two hundred three million, two hundred thousand, twenty-one".

Divisors: 1 3 149 447 22817 68451 1176779 3399733 3530337 10199199 175340071 526020213 26850566443 80551699329 4000734400007 12002203200021