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12211222202020 = 2253626316837027
BaseRepresentation
bin1011000110110010010110…
…0011111100011010100100
31121020101022001220201101201
42301230211203330122210
53100032040340431040
641545431422532244
72400142320056452
oct261544543743244
947211261821351
1012211222202020
113988828650526
121452749737084
136a768999518a
143030522919d2
151629966c6a9a
hexb1b258fc6a4

12211222202020 has 24 divisors (see below), whose sum is σ = 25644275302464. Its totient is φ = 4884353894496.

The previous prime is 12211222202017. The next prime is 12211222202041. The reversal of 12211222202020 is 2020222211221.

12211222202020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122112222020202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7693254 + ... + 9143773.

It is an arithmetic number, because the mean of its divisors is an integer number (1068511470936).

Almost surely, 212211222202020 is an apocalyptic number.

12211222202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211222202020 is an abundant number, since it is smaller than the sum of its proper divisors (13433053100444).

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

12211222202020 is a wasteful number, since it uses less digits than its factorization.

12211222202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16873299 (or 16873297 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12211222202020 its reverse (2020222211221), we get a palindrome (14231444413241).

The spelling of 12211222202020 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 36263 72526 145052 181315 362630 725260 16837027 33674054 67348108 84185135 168370270 336740540 610561110101 1221122220202 2442244440404 3052805550505 6105611101010 12211222202020