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120121121003 = 1346120043571
BaseRepresentation
bin110111111011111000…
…1101101100011101011
3102111001110002012021112
41233313301231203223
53432002001333003
6131103300300535
711451466452602
oct1576761554353
9374043065245
10120121121003
1146a41272124
121b3443a174b
13b4343145c0
145b57474a39
1531d092d3d8
hex1bf7c6d8eb

120121121003 has 8 divisors (see below), whose sum is σ = 129641823696. Its totient is φ = 110640506400.

The previous prime is 120121120979. The next prime is 120121121011. The reversal of 120121121003 is 300121121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120121121003 is a prime.

It is a super-2 number, since 2×1201211210032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121121503) 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, 10015793 + ... + 10027778.

It is an arithmetic number, because the mean of its divisors is an integer number (16205227962).

Almost surely, 2120121121003 is an apocalyptic number.

120121121003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120121121003 is a deficient number, since it is larger than the sum of its proper divisors (9520702693).

120121121003 is a wasteful number, since it uses less digits than its factorization.

120121121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044045.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120121121003 its reverse (300121121021), we get a palindrome (420242242024).

The spelling of 120121121003 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, three".

Divisors: 1 13 461 5993 20043571 260566423 9240086231 120121121003