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12101232232031 = 94112859970491
BaseRepresentation
bin1011000000011000100110…
…1001100000011001011111
31120211212101200101022121112
42300012021221200121133
53041231310422411111
641423121312052235
72356166546542145
oct260061151403137
946755350338545
1012101232232031
113946116131088
12143537223407b
1369a1ab59a6b7
142db9ba55d595
1515ebaa410e8b
hexb0189a6065f

12101232232031 has 4 divisors (see below), whose sum is σ = 12114092203464. Its totient is φ = 12088372260600.

The previous prime is 12101232232027. The next prime is 12101232232051. The reversal of 12101232232031 is 13023223210121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12101232232031 - 22 = 12101232232027 is a prime.

It is a super-2 number, since 2×121012322320312 (a number of 27 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 = 12101232231988 and 12101232232006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101232232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6429984305 + ... + 6429986186.

It is an arithmetic number, because the mean of its divisors is an integer number (3028523050866).

Almost surely, 212101232232031 is an apocalyptic number.

12101232232031 is a deficient number, since it is larger than the sum of its proper divisors (12859971433).

12101232232031 is an equidigital number, since it uses as much as digits as its factorization.

12101232232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859971432.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12101232232031 its reverse (13023223210121), we get a palindrome (25124455442152).

The spelling of 12101232232031 in words is "twelve trillion, one hundred one billion, two hundred thirty-two million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 941 12859970491 12101232232031