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1212211020102 = 23202035170017
BaseRepresentation
bin10001101000111101011…
…010000100000101000110
311021212221001220012111020
4101220331122010011012
5124330102010120402
62324514305052010
7153402501442515
oct21507532040506
94255831805436
101212211020102
11428106578245
12176b27027006
138a4073947a4
144295819667c
15217ebc408bc
hex11a3d684146

1212211020102 has 8 divisors (see below), whose sum is σ = 2424422040216. Its totient is φ = 404070340032.

The previous prime is 1212211020073. The next prime is 1212211020121. The reversal of 1212211020102 is 2010201122121.

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

1212211020102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101017585003 + ... + 101017585014.

It is an arithmetic number, because the mean of its divisors is an integer number (303052755027).

Almost surely, 21212211020102 is an apocalyptic number.

1212211020102 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.

1212211020102 is a wasteful number, since it uses less digits than its factorization.

1212211020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202035170022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212211020102 its reverse (2010201122121), we get a palindrome (3222412142223).

The spelling of 1212211020102 in words is "one trillion, two hundred twelve billion, two hundred eleven million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 202035170017 404070340034 606105510051 1212211020102