Search a number
-
+
1201220020201 = 4346160597287
BaseRepresentation
bin10001011110101110010…
…010101110011111101001
311020211120002101120001211
4101132232102232133221
5124140044311121301
62315455521513121
7152533231463155
oct21365622563751
94224502346054
101201220020201
11423486427353
1217497a1a27a1
138937529b856
14421d458a065
15213a6d7d051
hex117ae4ae7e9

1201220020201 has 8 divisors (see below), whose sum is σ = 1231821670464. Its totient is φ = 1170739565520.

The previous prime is 1201220020163. The next prime is 1201220020207. The reversal of 1201220020201 is 1020200221021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1201220020201 - 27 = 1201220020073 is a prime.

It is a super-3 number, since 3×12012200202013 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201220020207) 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, 30278821 + ... + 30318466.

It is an arithmetic number, because the mean of its divisors is an integer number (153977708808).

Almost surely, 21201220020201 is an apocalyptic number.

It is an amenable number.

1201220020201 is a deficient number, since it is larger than the sum of its proper divisors (30601650263).

1201220020201 is an equidigital number, since it uses as much as digits as its factorization.

1201220020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60597791.

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

Adding to 1201220020201 its reverse (1020200221021), we get a palindrome (2221420241222).

The spelling of 1201220020201 in words is "one trillion, two hundred one billion, two hundred twenty million, twenty thousand, two hundred one".

Divisors: 1 43 461 19823 60597287 2605683341 27935349307 1201220020201