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121130013012321 = 3315232490388639
BaseRepresentation
bin11011100010101011000111…
…011001011011000101100001
3120212212220201212121210121010
4123202223013121123011201
5111334043231312343241
61105342205413251133
734341232433254305
oct3342530731330541
9525786655553533
10121130013012321
1135660a4a546615
1211703984333aa9
1352786851a4a21
1421caa1c5abd05
15e00d09e50d16
hex6e2ac765b161

121130013012321 has 16 divisors (see below), whose sum is σ = 167035346862080. Its totient is φ = 77998972142160.

The previous prime is 121130013012319. The next prime is 121130013012361. The reversal of 121130013012321 is 123210310031121.

It is not a de Polignac number, because 121130013012321 - 21 = 121130013012319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121130013012361) 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, 1245145681 + ... + 1245242958.

It is an arithmetic number, because the mean of its divisors is an integer number (10439709178880).

Almost surely, 2121130013012321 is an apocalyptic number.

It is an amenable number.

121130013012321 is a deficient number, since it is larger than the sum of its proper divisors (45905333849759).

121130013012321 is a wasteful number, since it uses less digits than its factorization.

121130013012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490389196.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121130013012321 its reverse (123210310031121), we get a palindrome (244340323043442).

The spelling of 121130013012321 in words is "one hundred twenty-one trillion, one hundred thirty billion, thirteen million, twelve thousand, three hundred twenty-one".

Divisors: 1 3 31 93 523 1569 16213 48639 2490388639 7471165917 77202047809 231606143427 1302473258197 3907419774591 40376671004107 121130013012321