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121300231230312 = 2338956788497767
BaseRepresentation
bin11011100101001001101001…
…001100011001001101101000
3120220111012002200020012112020
4123211021221030121031220
5111344340333143332222
61105552320144344440
734356436544244441
oct3345115114311550
9526435080205466
10121300231230312
113571715926a132
121173096a015120
13528b7413c4384
1421d4d6920a2c8
15e0546da0365c
hex6e5269319368

121300231230312 has 32 divisors (see below), whose sum is σ = 306657887947200. Its totient is φ = 39979102427264.

The previous prime is 121300231230239. The next prime is 121300231230313. The reversal of 121300231230312 is 213032132003121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121300231230313) 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, 28394246748 + ... + 28394251019.

It is an arithmetic number, because the mean of its divisors is an integer number (9583058998350).

Almost surely, 2121300231230312 is an apocalyptic number.

121300231230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121300231230312 is an abundant number, since it is smaller than the sum of its proper divisors (185357656716888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121300231230312 is a wasteful number, since it uses less digits than its factorization.

121300231230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56788497865 (or 56788497861 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121300231230312 its reverse (213032132003121), we get a palindrome (334332363233433).

The spelling of 121300231230312 in words is "one hundred twenty-one trillion, three hundred billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 712 1068 2136 56788497767 113576995534 170365493301 227153991068 340730986602 454307982136 681461973204 1362923946408 5054176301263 10108352602526 15162528903789 20216705205052 30325057807578 40433410410104 60650115615156 121300231230312