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121213322 = 272478363
BaseRepresentation
bin1110011100110…
…01000110001010
322110002021102022
413032121012022
5222012311242
620010004442
73001203416
oct716310612
9273067368
10121213322
11624703aa
1234716722
131c160279
1412153d46
15a9950d2
hex739918a

121213322 has 8 divisors (see below), whose sum is σ = 181866816. Its totient is φ = 60591052.

The previous prime is 121213321. The next prime is 121213333. The reversal of 121213322 is 223312121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121213322.

It is not an unprimeable number, because it can be changed into a prime (121213321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (22733352).

Almost surely, 2121213322 is an apocalyptic number.

121213322 is a deficient number, since it is larger than the sum of its proper divisors (60653494).

121213322 is an equidigital number, since it uses as much as digits as its factorization.

121213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15612.

The product of its digits is 144, while the sum is 17.

The square root of 121213322 is about 11009.6921846162. The cubic root of 121213322 is about 494.8992373889.

Adding to 121213322 its reverse (223312121), we get a palindrome (344525443).

The spelling of 121213322 in words is "one hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 7247 8363 14494 16726 60606661 121213322