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12230023212131 = 14246985843399
BaseRepresentation
bin1011000111111000011000…
…1100000110110001100011
31121022011211100022222201112
42301332012030012301203
53100334041420242011
642002221201453535
72401406243033144
oct261760614066143
947264740288645
1012230023212131
1139957a62a370a
1214563160412ab
136a9394b4032a
14303d1722bacb
151631e705658b
hexb1f86306c63

12230023212131 has 4 divisors (see below), whose sum is σ = 12230109198000. Its totient is φ = 12229937226264.

The previous prime is 12230023212107. The next prime is 12230023212247. The reversal of 12230023212131 is 13121232003221.

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 12230023212131 - 26 = 12230023212067 is a prime.

It is a super-2 number, since 2×122300232121312 (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 = 12230023212097 and 12230023212106.

It is not an unprimeable number, because it can be changed into a prime (12230023212101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42779231 + ... + 43064168.

It is an arithmetic number, because the mean of its divisors is an integer number (3057527299500).

Almost surely, 212230023212131 is an apocalyptic number.

12230023212131 is a deficient number, since it is larger than the sum of its proper divisors (85985869).

12230023212131 is an equidigital number, since it uses as much as digits as its factorization.

12230023212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85985868.

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

Adding to 12230023212131 its reverse (13121232003221), we get a palindrome (25351255215352).

The spelling of 12230023212131 in words is "twelve trillion, two hundred thirty billion, twenty-three million, two hundred twelve thousand, one hundred thirty-one".

Divisors: 1 142469 85843399 12230023212131