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122132313232221 = 3102151031781357
BaseRepresentation
bin11011110001010000100101…
…001001010101001101011101
3121000102201211220022111120210
4123301100211021111031131
5112002003434141412341
61111430450553403033
734503524401461645
oct3361204511251535
9530381756274523
10122132313232221
1135a08028922796
1211846088709479
13531c048b91816
1422233422dd525
15e1be1d5cdc16
hex6f142525535d

122132313232221 has 16 divisors (see below), whose sum is σ = 163005980832128. Its totient is φ = 81340097227200.

The previous prime is 122132313232169. The next prime is 122132313232247. The reversal of 122132313232221 is 122232313231221.

It is a happy number.

It is not a de Polignac number, because 122132313232221 - 238 = 121857435325277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122132313232021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155917275 + ... + 156698631.

It is an arithmetic number, because the mean of its divisors is an integer number (10187873802008).

Almost surely, 2122132313232221 is an apocalyptic number.

It is an amenable number.

122132313232221 is a deficient number, since it is larger than the sum of its proper divisors (40873667599907).

122132313232221 is a wasteful number, since it uses less digits than its factorization.

122132313232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833412.

The product of its digits is 10368, while the sum is 30.

Adding to 122132313232221 its reverse (122232313231221), we get a palindrome (244364626463442).

The spelling of 122132313232221 in words is "one hundred twenty-two trillion, one hundred thirty-two billion, three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 3 1021 3063 51031 153093 781357 2344071 52102651 156307953 797765497 2393296491 39873429067 119620287201 40710771077407 122132313232221