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12312022211231 = 14938768394049
BaseRepresentation
bin1011001100101001110110…
…1101011101101010011111
31121121000110222220201222012
42303022131231131222133
53103210010141224411
642104022004541435
72410341250030361
oct263123555355237
947530428821865
1012312022211231
113a17554623366
12146a19b3b187b
136b403215ba42
14307c95680d31
151653e5c8b18b
hexb329db5da9f

12312022211231 has 8 divisors (see below), whose sum is σ = 12320540218800. Its totient is φ = 12303504570112.

The previous prime is 12312022211197. The next prime is 12312022211261. The reversal of 12312022211231 is 13211222021321.

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 12312022211231 - 214 = 12312022194847 is a prime.

It is a super-2 number, since 2×123120222112312 (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 = 12312022211197 and 12312022211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312022211261) 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, 130863695 + ... + 130957743.

It is an arithmetic number, because the mean of its divisors is an integer number (1540067527350).

Almost surely, 212312022211231 is an apocalyptic number.

12312022211231 is a deficient number, since it is larger than the sum of its proper divisors (8518007569).

12312022211231 is an equidigital number, since it uses as much as digits as its factorization.

12312022211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183225.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12312022211231 its reverse (13211222021321), we get a palindrome (25523244232552).

The spelling of 12312022211231 in words is "twelve trillion, three hundred twelve billion, twenty-two million, two hundred eleven thousand, two hundred thirty-one".

Divisors: 1 1493 87683 94049 130910719 140415157 8246498467 12312022211231