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131122412221210 = 25191637421574807
BaseRepresentation
bin11101110100000101010000…
…110011010111001100011010
3122012021011212100121212011121
4131310011100303113030122
5114141302200012034320
61142512445443115454
736422165416160014
oct3564052063271432
9565234770555147
10131122412221210
1138863780387793
121285849a672b8a
135821a377125c7
14245450406d1b4
151025bdc9528aa
hex774150cd731a

131122412221210 has 32 divisors (see below), whose sum is σ = 248594232781440. Its totient is φ = 49658139548352.

The previous prime is 131122412221193. The next prime is 131122412221249. The reversal of 131122412221210 is 12122214221131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210476374 + ... + 211098433.

It is an arithmetic number, because the mean of its divisors is an integer number (7768569774420).

Almost surely, 2131122412221210 is an apocalyptic number.

131122412221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131122412221210 is a deficient number, since it is larger than the sum of its proper divisors (117471820560230).

131122412221210 is a wasteful number, since it uses less digits than its factorization.

131122412221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421576470.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 131122412221210 its reverse (12122214221131), we get a palindrome (143244626442341).

The spelling of 131122412221210 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, four hundred twelve million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 1637 3274 8185 16370 31103 62206 155515 311030 421574807 843149614 2107874035 4215748070 8009921333 16019842666 40049606665 80099213330 690117959059 1380235918118 3450589795295 6901179590590 13112241222121 26224482444242 65561206110605 131122412221210