Search a number
-
+
122014312021 = 717430616003
BaseRepresentation
bin111000110100010011…
…1101010011001010101
3102122221101110021010101
41301220213222121111
53444341130441041
6132015210054101
711546425353130
oct1615047523125
9378841407111
10122014312021
11478229975a8
121b79241a331
13b676602b84
145c96a89217
153291c43b31
hex1c689ea655

122014312021 has 4 divisors (see below), whose sum is σ = 139444928032. Its totient is φ = 104583696012.

The previous prime is 122014311997. The next prime is 122014312031. The reversal of 122014312021 is 120213410221.

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 122014312021 - 27 = 122014311893 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 122014312021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122014312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715307995 + ... + 8715308008.

It is an arithmetic number, because the mean of its divisors is an integer number (34861232008).

Almost surely, 2122014312021 is an apocalyptic number.

It is an amenable number.

122014312021 is a deficient number, since it is larger than the sum of its proper divisors (17430616011).

122014312021 is an equidigital number, since it uses as much as digits as its factorization.

122014312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430616010.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122014312021 its reverse (120213410221), we get a palindrome (242227722242).

The spelling of 122014312021 in words is "one hundred twenty-two billion, fourteen million, three hundred twelve thousand, twenty-one".

Divisors: 1 7 17430616003 122014312021