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122310041221 = 1283730913043
BaseRepresentation
bin111000111101000111…
…1110001111010000101
3102200200222220212022201
41301322033301322011
54000442332304341
6132104412354501
711556646124314
oct1617217617205
9380628825281
10122310041221
11479649142a5
121b855475a31
13b6c2966a74
145cc406a27b
1532acbac331
hex1c7a3f1e85

122310041221 has 8 divisors (see below), whose sum is σ = 122431505760. Its totient is φ = 122188619952.

The previous prime is 122310041177. The next prime is 122310041261. The reversal of 122310041221 is 122140013221.

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 122310041221 - 227 = 122175823493 is a prime.

It is a super-3 number, since 3×1223100412213 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122310041261) 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, 9370926 + ... + 9383968.

It is an arithmetic number, because the mean of its divisors is an integer number (15303938220).

Almost surely, 2122310041221 is an apocalyptic number.

It is an amenable number.

122310041221 is a deficient number, since it is larger than the sum of its proper divisors (121464539).

122310041221 is a wasteful number, since it uses less digits than its factorization.

122310041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21635.

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

Adding to 122310041221 its reverse (122140013221), we get a palindrome (244450054442).

The spelling of 122310041221 in words is "one hundred twenty-two billion, three hundred ten million, forty-one thousand, two hundred twenty-one".

Divisors: 1 1283 7309 13043 9377447 16734169 95331287 122310041221