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12210002020220 = 2251473194144069
BaseRepresentation
bin1011000110101101110011…
…0101010100011101111100
31121020021011000221001122012
42301223130311110131330
53100022041004121340
641545110354110352
72400100142514224
oct261533465243574
947207130831565
1012210002020220
11398826190a914
121452468b7b3b8
136a7523c55904
14302d781cb084
15162924501565
hexb1adcd5477c

12210002020220 has 24 divisors (see below), whose sum is σ = 25641184480800. Its totient is φ = 4883966476992.

The previous prime is 12210002020213. The next prime is 12210002020291. The reversal of 12210002020220 is 2202020001221.

It is a junction number, because it is equal to n+sod(n) for n = 12210002020195 and 12210002020204.

It is a congruent number.

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, 874346 + ... + 5018414.

It is an arithmetic number, because the mean of its divisors is an integer number (1068382686700).

Almost surely, 212210002020220 is an apocalyptic number.

12210002020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210002020220 is an abundant number, since it is smaller than the sum of its proper divisors (13431182460580).

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

12210002020220 is a wasteful number, since it uses less digits than its factorization.

12210002020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291397 (or 4291395 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12210002020220 its reverse (2202020001221), we get a palindrome (14412022021441).

The spelling of 12210002020220 in words is "twelve trillion, two hundred ten billion, two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 147319 294638 589276 736595 1473190 2946380 4144069 8288138 16576276 20720345 41440690 82881380 610500101011 1221000202022 2442000404044 3052500505055 6105001010110 12210002020220