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12020212010202 = 2311672718274991
BaseRepresentation
bin1010111011101010110001…
…1101111000110011011010
31120120010021020112121100220
42232322230131320303122
53033414343233311302
641322001551340510
72350301026164654
oct256725435706332
946503236477326
1012020212010202
11391481a34a270
121421720821736
13692668c98336
142d7ad20d16d4
1515ca175b94bc
hexaeeac778cda

12020212010202 has 32 divisors (see below), whose sum is σ = 26617348721664. Its totient is φ = 3588122986800.

The previous prime is 12020212010161. The next prime is 12020212010207. The reversal of 12020212010202 is 20201021202021.

It is not an unprimeable number, because it can be changed into a prime (12020212010207) 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, 1359133074 + ... + 1359141917.

It is an arithmetic number, because the mean of its divisors is an integer number (831792147552).

Almost surely, 212020212010202 is an apocalyptic number.

12020212010202 is an abundant number, since it is smaller than the sum of its proper divisors (14597136711462).

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

12020212010202 is a wasteful number, since it uses less digits than its factorization.

12020212010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718275074.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020212010202 its reverse (20201021202021), we get a palindrome (32221233212223).

The spelling of 12020212010202 in words is "twelve trillion, twenty billion, two hundred twelve million, ten thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 4422 2718274991 5436549982 8154824973 16309649946 29901024901 59802049802 89703074703 179406149406 182124424397 364248848794 546373273191 1092746546382 2003368668367 4006737336734 6010106005101 12020212010202