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122421210233 = 717488744319
BaseRepresentation
bin111001000000011011…
…1110110110001111001
3102200222202002211112112
41302000313312301321
54001204312211413
6132123423222105
711562466055240
oct1620067666171
9380882084475
10122421210233
1147a11644213
121b886747935
13b70c9bb24a
145cd4b27957
1532b781b2a8
hex1c80df6c79

122421210233 has 4 divisors (see below), whose sum is σ = 139909954560. Its totient is φ = 104932465908.

The previous prime is 122421210157. The next prime is 122421210259. The reversal of 122421210233 is 332012124221.

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 not a de Polignac number, because 122421210233 - 232 = 118126242937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122421210199 and 122421210208.

It is not an unprimeable number, because it can be changed into a prime (122421210433) 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, 8744372153 + ... + 8744372166.

It is an arithmetic number, because the mean of its divisors is an integer number (34977488640).

Almost surely, 2122421210233 is an apocalyptic number.

It is an amenable number.

122421210233 is a deficient number, since it is larger than the sum of its proper divisors (17488744327).

122421210233 is an equidigital number, since it uses as much as digits as its factorization.

122421210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488744326.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122421210233 its reverse (332012124221), we get a palindrome (454433334454).

The spelling of 122421210233 in words is "one hundred twenty-two billion, four hundred twenty-one million, two hundred ten thousand, two hundred thirty-three".

Divisors: 1 7 17488744319 122421210233