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1210202022012 = 2231752111386493
BaseRepresentation
bin10001100111000101101…
…010010110000001111100
311021200202001121112012120
4101213011222112001330
5124311443204201022
62323543101202540
7153301635313314
oct21470552260174
94250661545176
101210202022012
11427275545245
12176666260450
138a1770b9919
1442807438444
15217306a1d5c
hex119c5a9607c

1210202022012 has 48 divisors (see below), whose sum is σ = 2995649933472. Its totient is φ = 378942453760.

The previous prime is 1210202022011. The next prime is 1210202022017. The reversal of 1210202022012 is 2102202020121.

It is a junction number, because it is equal to n+sod(n) for n = 1210202021982 and 1210202022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210202022011) 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 15 ways as a sum of consecutive naturals, for example, 5586963 + ... + 5799530.

It is an arithmetic number, because the mean of its divisors is an integer number (62409373614).

Almost surely, 21210202022012 is an apocalyptic number.

1210202022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210202022012 is an abundant number, since it is smaller than the sum of its proper divisors (1785447911460).

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

1210202022012 is a wasteful number, since it uses less digits than its factorization.

1210202022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387038 (or 11387036 counting only the distinct ones).

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

Adding to 1210202022012 its reverse (2102202020121), we get a palindrome (3312404042133).

The spelling of 1210202022012 in words is "one trillion, two hundred ten billion, two hundred two million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 521 1042 1563 2084 3126 6252 8857 17714 26571 35428 53142 106284 11386493 22772986 34159479 45545972 68318958 136637916 193570381 387140762 580711143 774281524 1161422286 2322844572 5932362853 11864725706 17797088559 23729451412 35594177118 71188354236 100850168501 201700337002 302550505503 403400674004 605101011006 1210202022012