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1212222103122 = 23202037017187
BaseRepresentation
bin10001101000111110000…
…100010101111001010010
311021212221211202021112110
4101220332010111321102
5124330112324244442
62324515342410150
7153402664602522
oct21507604257122
94255854667473
101212222103122
11428111858068
12176b2a890956
138a4097752a4
144295983d682
15217ecbce69c
hex11a3e115e52

1212222103122 has 8 divisors (see below), whose sum is σ = 2424444206256. Its totient is φ = 404074034372.

The previous prime is 1212222103121. The next prime is 1212222103247. The reversal of 1212222103122 is 2213012222121.

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

1212222103122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1212222103121) 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 3 ways as a sum of consecutive naturals, for example, 101018508588 + ... + 101018508599.

It is an arithmetic number, because the mean of its divisors is an integer number (303055525782).

Almost surely, 21212222103122 is an apocalyptic number.

1212222103122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212222103122 is a wasteful number, since it uses less digits than its factorization.

1212222103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202037017192.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1212222103122 its reverse (2213012222121), we get a palindrome (3425234325243).

The spelling of 1212222103122 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 202037017187 404074034374 606111051561 1212222103122