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12212222010 = 2352331747099
BaseRepresentation
bin10110101111110011…
…11011100000111010
31011112002110011012220
423113321323200322
5200002312101020
65335450144510
7611426113542
oct132771734072
934462404186
1012212222010
1151a753216a
122449a22136
1311c810ab91
1483bca2322
154b71e1240
hex2d7e7b83a

12212222010 has 32 divisors (see below), whose sum is σ = 29435140800. Its totient is φ = 3242613888.

The previous prime is 12212221997. The next prime is 12212222027. The reversal of 12212222010 is 1022221221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866560 + ... + 880539.

It is an arithmetic number, because the mean of its divisors is an integer number (919848150).

Almost surely, 212212222010 is an apocalyptic number.

12212222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212222010 is an abundant number, since it is smaller than the sum of its proper divisors (17222918790).

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

12212222010 is a wasteful number, since it uses less digits than its factorization.

12212222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212222010 its reverse (1022221221), we get a palindrome (13234443231).

The spelling of 12212222010 in words is "twelve billion, two hundred twelve million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 233 466 699 1165 1398 2330 3495 6990 1747099 3494198 5241297 8735495 10482594 17470990 26206485 52412970 407074067 814148134 1221222201 2035370335 2442444402 4070740670 6106111005 12212222010