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12212122010 = 2511449247259
BaseRepresentation
bin10110101111110011…
…00011000110011010
31011112002021002001012
423113321203012122
5200002300401020
65335444053522
7611425216154
oct132771430632
934462232035
1012212122010
1151a7474020
1224499942a2
1311c80a44ca
1483bc77ad4
154b71c17c5
hex2d7e6319a

12212122010 has 32 divisors (see below), whose sum is σ = 24033672000. Its totient is φ = 4430863360.

The previous prime is 12212121949. The next prime is 12212122019. The reversal of 12212122010 is 1022121221.

It is not an unprimeable number, because it can be changed into a prime (12212122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74240 + ... + 173019.

It is an arithmetic number, because the mean of its divisors is an integer number (751052250).

Almost surely, 212212122010 is an apocalyptic number.

12212122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212122010 is a deficient number, since it is larger than the sum of its proper divisors (11821549990).

12212122010 is a wasteful number, since it uses less digits than its factorization.

12212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247726.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12212122010 its reverse (1022121221), we get a palindrome (13234243231).

The spelling of 12212122010 in words is "twelve billion, two hundred twelve million, one hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 449 898 2245 4490 4939 9878 24695 49390 247259 494518 1236295 2472590 2719849 5439698 13599245 27198490 111019291 222038582 555096455 1110192910 1221212201 2442424402 6106061005 12212122010