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1213302120202 = 25311446246417
BaseRepresentation
bin10001101001111110011…
…100010001111100001010
311021222202002222211110001
4101221332130101330022
5124334320320321302
62325214443113214
7153441520600414
oct21517634217412
94258662884401
101213302120202
11428616463967
1217719051280a
138a54c44a553
1442a1d0599b4
1521862919787
hex11a7e711f0a

1213302120202 has 8 divisors (see below), whose sum is σ = 1854291919716. Its totient is φ = 595204813632.

The previous prime is 1213302120119. The next prime is 1213302120227. The reversal of 1213302120202 is 2020212033121.

It can be written as a sum of positive squares in 2 ways, for example, as 1029699297081 + 183602823121 = 1014741^2 + 428489^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1213302120202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5723123103 + ... + 5723123314.

Almost surely, 21213302120202 is an apocalyptic number.

1213302120202 is a deficient number, since it is larger than the sum of its proper divisors (640989799514).

1213302120202 is a wasteful number, since it uses less digits than its factorization.

1213302120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446246472.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1213302120202 its reverse (2020212033121), we get a palindrome (3233514153323).

The spelling of 1213302120202 in words is "one trillion, two hundred thirteen billion, three hundred two million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 53 106 11446246417 22892492834 606651060101 1213302120202