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121032320011213 = 1317564953004449
BaseRepresentation
bin11011100001010000001000…
…011100001100101111001101
3120212112120120111000010212211
4123201100020130030233031
5111330443142410324323
61105225251421230421
734331203501410142
oct3341201034145715
9525476514003784
10121032320011213
1135623578381976
12116a8a5b102411
13526c3b661acb0
1421c5dd1abc3c9
15ded4dd51b70d
hex6e140870cbcd

121032320011213 has 8 divisors (see below), whose sum is σ = 130343242995000. Its totient is φ = 111721503387648.

The previous prime is 121032320011153. The next prime is 121032320011237. The reversal of 121032320011213 is 312110023230121.

It can be written as a sum of positive squares in 4 ways, for example, as 48263282163684 + 72769037847529 = 6947178^2 + 8530477^2 .

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 121032320011213 - 221 = 121032317914061 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 (121032320011243) 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, 24218788 + ... + 28785661.

It is an arithmetic number, because the mean of its divisors is an integer number (16292905374375).

Almost surely, 2121032320011213 is an apocalyptic number.

121032320011213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121032320011213 is a deficient number, since it is larger than the sum of its proper divisors (9310922983787).

121032320011213 is a wasteful number, since it uses less digits than its factorization.

121032320011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53180111.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121032320011213 its reverse (312110023230121), we get a palindrome (433142343241334).

The spelling of 121032320011213 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred twenty million, eleven thousand, two hundred thirteen".

Divisors: 1 13 175649 2283437 53004449 689057837 9310178462401 121032320011213