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121220202001033 = 5313117459340631
BaseRepresentation
bin11011100011111111000111…
…000101000111001010001001
3120220012112112022010010111101
4123203333013011013022021
5111342032433203013113
61105451443024301401
734350604416104332
oct3343770705071211
9526175468103441
10121220202001033
1135696220909723
1211719354471861
1352840291c7335
1421d1136623289
15e03337bae2dd
hex6e3fc7147289

121220202001033 has 8 divisors (see below), whose sum is σ = 124450180024896. Its totient is φ = 118025142658800.

The previous prime is 121220202000991. The next prime is 121220202001043. The reversal of 121220202001033 is 330100202022121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121220202001033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121220202001033.

It is not an unprimeable number, because it can be changed into a prime (121220202001043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8729663373 + ... + 8729677258.

It is an arithmetic number, because the mean of its divisors is an integer number (15556272503112).

Almost surely, 2121220202001033 is an apocalyptic number.

It is an amenable number.

121220202001033 is a deficient number, since it is larger than the sum of its proper divisors (3229978023863).

121220202001033 is a wasteful number, since it uses less digits than its factorization.

121220202001033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17459340815.

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

Adding to 121220202001033 its reverse (330100202022121), we get a palindrome (451320404023154).

The spelling of 121220202001033 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred two million, one thousand, thirty-three".

Divisors: 1 53 131 6943 17459340631 925345053443 2287173622661 121220202001033