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120021201212201 = 478928692613247
BaseRepresentation
bin11011010010100010011101…
…000100000101001100101001
3120201221220200212121012112222
4123102202131010011030221
5111212411410002242301
61103132551220243425
734165150152415352
oct3322423504051451
9521856625535488
10120021201212201
1135273784157793
1211564ab5540575
1351c7c48931753
14218d0b2abcd29
15dd2060a9b31b
hex6d289d105329

120021201212201 has 8 divisors (see below), whose sum is σ = 123952089231360. Its totient is φ = 116147698419808.

The previous prime is 120021201212191. The next prime is 120021201212239. The reversal of 120021201212201 is 102212102120021.

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-120021201212201 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 120021201212201.

It is not an unprimeable number, because it can be changed into a prime (120021201212251) 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, 14346302441 + ... + 14346310806.

It is an arithmetic number, because the mean of its divisors is an integer number (15494011153920).

Almost surely, 2120021201212201 is an apocalyptic number.

It is an amenable number.

120021201212201 is a deficient number, since it is larger than the sum of its proper divisors (3930888019159).

120021201212201 is an equidigital number, since it uses as much as digits as its factorization.

120021201212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692613383.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120021201212201 its reverse (102212102120021), we get a palindrome (222233303332222).

The spelling of 120021201212201 in words is "one hundred twenty trillion, twenty-one billion, two hundred one million, two hundred twelve thousand, two hundred one".

Divisors: 1 47 89 4183 28692613247 1348552822609 2553642578983 120021201212201