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1210202012112 = 24325212541919
BaseRepresentation
bin10001100111000101101…
…010010011100111010000
311021200202001121000121220
4101213011222103213100
5124311443203341422
62323543101045040
7153301635242412
oct21470552234720
94250661530556
101210202012112
11427275538865
12176666256780
138a1770b5272
14428074349b2
152173069de5c
hex119c5a939d0

1210202012112 has 20 divisors (see below), whose sum is σ = 3126355198080. Its totient is φ = 403400670688.

The previous prime is 1210202012083. The next prime is 1210202012161. The reversal of 1210202012112 is 2112102020121.

It is a junction number, because it is equal to n+sod(n) for n = 1210202012091 and 1210202012100.

It is a congruent number.

It is an unprimeable number.

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, 12606270912 + ... + 12606271007.

It is an arithmetic number, because the mean of its divisors is an integer number (156317759904).

Almost surely, 21210202012112 is an apocalyptic number.

1210202012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210202012112 is an abundant number, since it is smaller than the sum of its proper divisors (1916153185968).

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

1210202012112 is a wasteful number, since it uses less digits than its factorization.

1210202012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25212541930 (or 25212541924 counting only the distinct ones).

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

Adding to 1210202012112 its reverse (2112102020121), we get a palindrome (3322304032233).

The spelling of 1210202012112 in words is "one trillion, two hundred ten billion, two hundred two million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 25212541919 50425083838 75637625757 100850167676 151275251514 201700335352 302550503028 403400670704 605101006056 1210202012112