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12001120331 = 22958978887
BaseRepresentation
bin10110010110101001…
…01001000001001011
31010222101020002011012
423023110221001023
5144034241322311
65302505354135
7603253561004
oct131324510113
933871202135
1012001120331
1150a9357372
1223ab19894b
131193467745
1481bc301ab
154a38e278b
hex2cb52904b

12001120331 has 8 divisors (see below), whose sum is σ = 12056927520. Its totient is φ = 11945343168.

The previous prime is 12001120319. The next prime is 12001120363. The reversal of 12001120331 is 13302110021.

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-12001120331 is a prime.

It is a super-2 number, since 2×120011203312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001120231) 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, 1345970 + ... + 1354856.

It is an arithmetic number, because the mean of its divisors is an integer number (1507115940).

Almost surely, 212001120331 is an apocalyptic number.

12001120331 is a deficient number, since it is larger than the sum of its proper divisors (55807189).

12001120331 is an equidigital number, since it uses as much as digits as its factorization.

12001120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15013.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12001120331 its reverse (13302110021), we get a palindrome (25303230352).

The spelling of 12001120331 in words is "twelve billion, one million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 229 5897 8887 1350413 2035123 52406639 12001120331