Search a number
-
+
122202121212021 = 3809130347898069
BaseRepresentation
bin11011110010010001100110…
…000001101001000001110101
3121000200102000221100022021010
4123302101212001221001311
5112004124421012241041
61111522513544542433
734511545324510644
oct3362214601510165
9530612027308233
10122202121212021
1135a346a0692184
121185770b181a19
1353257c25b7046
14222688560d35b
15e1db56e0ea16
hex6f2466069075

122202121212021 has 32 divisors (see below), whose sum is σ = 163317096288000. Its totient is φ = 81277880882688.

The previous prime is 122202121212013. The next prime is 122202121212107. The reversal of 122202121212021 is 120212121202221.

It is not a de Polignac number, because 122202121212021 - 23 = 122202121212013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202121217021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15144638575 + ... + 15144646643.

It is an arithmetic number, because the mean of its divisors is an integer number (5103659259000).

Almost surely, 2122202121212021 is an apocalyptic number.

It is an amenable number.

122202121212021 is a deficient number, since it is larger than the sum of its proper divisors (41114975075979).

122202121212021 is a wasteful number, since it uses less digits than its factorization.

122202121212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122202121212021 its reverse (120212121202221), we get a palindrome (242414242414242).

The spelling of 122202121212021 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 809 1303 2427 3909 4789 8069 14367 24207 1054127 3162381 3874301 6240067 6527821 10513907 11622903 18720201 19583463 31541721 38642441 115927323 5048214203 8505750763 15144642609 25517252289 31261734769 50351100623 93785204307 151053301869 40734040404007 122202121212021