Search a number
-
+
122221202012201 = 1677108391029577
BaseRepresentation
bin11011110010100011010111…
…010101000111100000101001
3121000202020021201020101102002
4123302203113111013200221
5112004433010203342301
61111535351200420345
734513122215601665
oct3362432725074051
9530666251211362
10122221202012201
1135a417a2265826
121185b3553176b5
135327543705156
1422277757bb8a5
15e1e3c210a16b
hex6f28d7547829

122221202012201 has 8 divisors (see below), whose sum is σ = 122953357887360. Its totient is φ = 121489049618208.

The previous prime is 122221202012167. The next prime is 122221202012209. The reversal of 122221202012201 is 102210202122221.

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 122221202012201 - 26 = 122221202012137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221202012209) 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, 118195325 + ... + 119224901.

It is an arithmetic number, because the mean of its divisors is an integer number (15369169735920).

Almost surely, 2122221202012201 is an apocalyptic number.

It is an amenable number.

122221202012201 is a deficient number, since it is larger than the sum of its proper divisors (732155875159).

122221202012201 is a wasteful number, since it uses less digits than its factorization.

122221202012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740583.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221202012201 its reverse (102210202122221), we get a palindrome (224431404134422).

The spelling of 122221202012201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred two million, twelve thousand, two hundred one".

Divisors: 1 167 710839 1029577 118710113 171939359 731863485103 122221202012201