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12320212213210 = 2511412731754371
BaseRepresentation
bin1011001101001000010111…
…0111110101110111011010
31121121210121202211221120211
42303102011313311313122
53103323243311310320
642111454413041334
72411051225634226
oct263220567656732
947553552757524
1012320212213210
113a1aa77675040
12146b8a618624a
136b4a38b68465
14308431287786
15165724cb855a
hexb3485df5dda

12320212213210 has 32 divisors (see below), whose sum is σ = 24782475662784. Its totient is φ = 4370806992000.

The previous prime is 12320212213091. The next prime is 12320212213213. The reversal of 12320212213210 is 1231221202321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12320212213213) 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, 1365872676 + ... + 1365881695.

It is an arithmetic number, because the mean of its divisors is an integer number (774452364462).

Almost surely, 212320212213210 is an apocalyptic number.

12320212213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320212213210 is an abundant number, since it is smaller than the sum of its proper divisors (12462263449574).

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

12320212213210 is a wasteful number, since it uses less digits than its factorization.

12320212213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731754430.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12320212213210 its reverse (1231221202321), we get a palindrome (13551433415531).

The spelling of 12320212213210 in words is "twelve trillion, three hundred twenty billion, two hundred twelve million, two hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 41 55 82 110 205 410 451 902 2255 4510 2731754371 5463508742 13658771855 27317543710 30049298081 60098596162 112001929211 150246490405 224003858422 300492980810 560009646055 1120019292110 1232021221321 2464042442642 6160106106605 12320212213210