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12310100132221 = 194911778374203
BaseRepresentation
bin1011001100100010101100…
…1001010100000101111101
31121120211112001012000020201
42303020223021110011331
53103142041113212341
642103103144043501
72410242520442443
oct263105311240575
947524461160221
1012310100132221
113a16758667a11
121469943763591
136b3ab6b97698
14307b522aab93
1516533216b331
hexb322b25417d

12310100132221 has 16 divisors (see below), whose sum is σ = 12985296330240. Its totient is φ = 11637636882480.

The previous prime is 12310100132207. The next prime is 12310100132233. The reversal of 12310100132221 is 12223100101321.

It is a cyclic number.

It is not a de Polignac number, because 12310100132221 - 223 = 12310091743613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310100132201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165860506 + ... + 165934708.

It is an arithmetic number, because the mean of its divisors is an integer number (811581020640).

Almost surely, 212310100132221 is an apocalyptic number.

It is an amenable number.

12310100132221 is a deficient number, since it is larger than the sum of its proper divisors (675196198019).

12310100132221 is a wasteful number, since it uses less digits than its factorization.

12310100132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92496.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12310100132221 its reverse (12223100101321), we get a palindrome (24533200233542).

The spelling of 12310100132221 in words is "twelve trillion, three hundred ten billion, one hundred million, one hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 19 491 9329 17783 74203 337877 1409857 8731453 36433673 165897607 692239787 1319551949 25071487031 647900006959 12310100132221