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12212112022210 = 2523461617186671
BaseRepresentation
bin1011000110110101101010…
…0110010101101011000010
31121020110121002021021020001
42301231122212111223002
53100040401134202320
641550100010510214
72400203343316432
oct261553246255302
947213532237201
1012212112022210
11398914495a611
12145295773536a
136a779c1361b9
143030d851c2c2
151629e989220a
hexb1b5a995ac2

12212112022210 has 64 divisors (see below), whose sum is σ = 23024668068864. Its totient is φ = 4654743385600.

The previous prime is 12212112022207. The next prime is 12212112022217. The reversal of 12212112022210 is 1222021121221.

12212112022210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12212112022217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65327175 + ... + 65513845.

It is an arithmetic number, because the mean of its divisors is an integer number (359760438576).

Almost surely, 212212112022210 is an apocalyptic number.

12212112022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212112022210 is a deficient number, since it is larger than the sum of its proper divisors (10812556046654).

12212112022210 is a wasteful number, since it uses less digits than its factorization.

12212112022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187779.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212112022210 its reverse (1222021121221), we get a palindrome (13434133143431).

The spelling of 12212112022210 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 461 617 922 1234 2305 3085 4610 6170 10603 14191 21206 28382 53015 70955 106030 141910 186671 284437 373342 568874 933355 1422185 1866710 2844370 4293433 6542051 8586866 13084102 21467165 32710255 42934330 65420510 86055331 115176007 172110662 230352014 430276655 575880035 860553310 1151760070 1979272613 2649048161 3958545226 5298096322 9896363065 13245240805 19792726130 26490481610 53096139227 106192278454 265480696135 530961392270 1221211202221 2442422404442 6106056011105 12212112022210