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120320023210121 = 717188574744303
BaseRepresentation
bin11011010110111000110000…
…001111100010100010001001
3120210000111000021220112020102
4123112320300033202202021
5111232310401420210441
61103522131112535145
734225556224452440
oct3326706017424211
9523014007815212
10120320023210121
1135379487402649
12115b29b03b14b5
13521a18b69b7b7
14219d73d5b9d57
15dd9beeb1769b
hex6d6e303e2889

120320023210121 has 4 divisors (see below), whose sum is σ = 137508597954432. Its totient is φ = 103131448465812.

The previous prime is 120320023210109. The next prime is 120320023210183. The reversal of 120320023210121 is 121012320023021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120320023210121 is a prime.

It is a super-2 number, since 2×1203200232101212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120320023210093 and 120320023210102.

It is not an unprimeable number, because it can be changed into a prime (120320023210421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8594287372145 + ... + 8594287372158.

It is an arithmetic number, because the mean of its divisors is an integer number (34377149488608).

Almost surely, 2120320023210121 is an apocalyptic number.

It is an amenable number.

120320023210121 is a deficient number, since it is larger than the sum of its proper divisors (17188574744311).

120320023210121 is an equidigital number, since it uses as much as digits as its factorization.

120320023210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188574744310.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120320023210121 its reverse (121012320023021), we get a palindrome (241332343233142).

The spelling of 120320023210121 in words is "one hundred twenty trillion, three hundred twenty billion, twenty-three million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 17188574744303 120320023210121