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1201020202012 = 221394361349529
BaseRepresentation
bin10001011110100010011…
…000011110110000011100
311020211001011101202001011
4101132202120132300130
5124134142132431022
62315424023025004
7152525254163641
oct21364230366034
94224034352034
101201020202012
11423393658a54
1217492329b164
1389342a79237
14421b5c13dc8
152139455c977
hex117a261ec1c

1201020202012 has 24 divisors (see below), whose sum is σ = 2116997391600. Its totient is φ = 596164177536.

The previous prime is 1201020201943. The next prime is 1201020202027. The reversal of 1201020202012 is 2102020201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201020201983 and 1201020202001.

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 7 ways as a sum of consecutive naturals, for example, 24224064 + ... + 24273592.

It is an arithmetic number, because the mean of its divisors is an integer number (88208224650).

Almost surely, 21201020202012 is an apocalyptic number.

It is an amenable number.

1201020202012 is a deficient number, since it is larger than the sum of its proper divisors (915977189588).

1201020202012 is a wasteful number, since it uses less digits than its factorization.

1201020202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93285 (or 93283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201020202012 its reverse (2102020201021), we get a palindrome (3303040403033).

Subtracting 1201020202012 from its reverse (2102020201021), we obtain a palindrome (900999999009).

The spelling of 1201020202012 in words is "one trillion, two hundred one billion, twenty million, two hundred two thousand, twelve".

Divisors: 1 2 4 139 278 556 43613 49529 87226 99058 174452 198116 6062207 6884531 12124414 13769062 24248828 27538124 2160108277 4320216554 8640433108 300255050503 600510101006 1201020202012