Search a number
-
+
120220112301221 = 961912498192359
BaseRepresentation
bin11011010101011011101101…
…000101101010110010100101
3120202122221010022220111000002
4123111123231011222302211
5111224141242222114341
61103404205051231045
734215421311652652
oct3325335505526245
9522587108814002
10120220112301221
1135340077297a59
1211597568448485
1352109284833aa
14219898230ac29
15dd730362a29b
hex6d56ed16aca5

120220112301221 has 4 divisors (see below), whose sum is σ = 120232610503200. Its totient is φ = 120207614099244.

The previous prime is 120220112301203. The next prime is 120220112301241. The reversal of 120220112301221 is 122103211022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120220112301221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120220112301193 and 120220112301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220112301241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6249086561 + ... + 6249105798.

It is an arithmetic number, because the mean of its divisors is an integer number (30058152625800).

Almost surely, 2120220112301221 is an apocalyptic number.

It is an amenable number.

120220112301221 is a deficient number, since it is larger than the sum of its proper divisors (12498201979).

120220112301221 is an equidigital number, since it uses as much as digits as its factorization.

120220112301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498201978.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 120220112301221 its reverse (122103211022021), we get a palindrome (242323323323242).

The spelling of 120220112301221 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred twelve million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 9619 12498192359 120220112301221