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12311212020332 = 226068950714347
BaseRepresentation
bin1011001100100110110101…
…1010110101001001101100
31121120221101112101202222212
42303021231122311021230
53103201330234122312
642103405343425552
72410312211360651
oct263115532651154
947527345352885
1012311212020332
113a17179261a05
121469bb3bb52b8
136b3c3334b444
14307c19c21c28
15165399a9e822
hexb326d6b526c

12311212020332 has 12 divisors (see below), whose sum is σ = 21544976460840. Its totient is φ = 6155504460096.

The previous prime is 12311212020271. The next prime is 12311212020347. The reversal of 12311212020332 is 23302021211321.

It is a junction number, because it is equal to n+sod(n) for n = 12311212020298 and 12311212020307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25114418 + ... + 25599929.

It is an arithmetic number, because the mean of its divisors is an integer number (1795414705070).

Almost surely, 212311212020332 is an apocalyptic number.

It is an amenable number.

12311212020332 is a deficient number, since it is larger than the sum of its proper divisors (9233764440508).

12311212020332 is a wasteful number, since it uses less digits than its factorization.

12311212020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50775040 (or 50775038 counting only the distinct ones).

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

Adding to 12311212020332 its reverse (23302021211321), we get a palindrome (35613233231653).

The spelling of 12311212020332 in words is "twelve trillion, three hundred eleven billion, two hundred twelve million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 4 60689 121378 242756 50714347 101428694 202857388 3077803005083 6155606010166 12311212020332