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12000000210331 = 71861921163753
BaseRepresentation
bin1010111010011111011110…
…1111111111010110011011
31120111012002122110210022111
42232213313233333112123
53033102000023212311
641304420214333151
72345654122546510
oct256476757772633
946435078423274
1012000000210331
113907198308931
12141981b95a1b7
13690797764543
142d6b35a35307
1515c232e62d21
hexae9f7bff59b

12000000210331 has 8 divisors (see below), whose sum is σ = 13721655279584. Its totient is φ = 10280187472320.

The previous prime is 12000000210301. The next prime is 12000000210353. The reversal of 12000000210331 is 13301200000021.

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 12000000210331 - 29 = 12000000209819 is a prime.

It is a super-2 number, since 2×120000002103312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12000000210301) 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, 460568850 + ... + 460594903.

It is an arithmetic number, because the mean of its divisors is an integer number (1715206909948).

Almost surely, 212000000210331 is an apocalyptic number.

12000000210331 is a deficient number, since it is larger than the sum of its proper divisors (1721655069253).

12000000210331 is an equidigital number, since it uses as much as digits as its factorization.

12000000210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921165621.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000000210331 its reverse (13301200000021), we get a palindrome (25301200210352).

The spelling of 12000000210331 in words is "twelve trillion, two hundred ten thousand, three hundred thirty-one".

Divisors: 1 7 1861 13027 921163753 6448146271 1714285744333 12000000210331