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12031212301332 = 22373776110974637
BaseRepresentation
bin1010111100010011110000…
…1000101010110000010100
31120121011122212112021221220
42233010330020222300110
53034104410322120312
641331021310010340
72351140441132410
oct257047410526024
946534585467856
1012031212301332
113919454766864
1214238907a69b0
136936ccc95343
142d8457039d40
1515ce5d1b4c8c
hexaf13c22ac14

12031212301332 has 192 divisors, whose sum is σ = 33030843987456. Its totient is φ = 3336424611840.

The previous prime is 12031212301307. The next prime is 12031212301333. The reversal of 12031212301332 is 23310321213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031212301333) 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 63 ways as a sum of consecutive naturals, for example, 2594608918 + ... + 2594613554.

It is an arithmetic number, because the mean of its divisors is an integer number (172035645768).

Almost surely, 212031212301332 is an apocalyptic number.

12031212301332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031212301332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16515421993728).

12031212301332 is an abundant number, since it is smaller than the sum of its proper divisors (20999631686124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031212301332 is a wasteful number, since it uses less digits than its factorization.

12031212301332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546 (or 6544 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12031212301332 its reverse (23310321213021), we get a palindrome (35341533514353).

The spelling of 12031212301332 in words is "twelve trillion, thirty-one billion, two hundred twelve million, three hundred one thousand, three hundred thirty-two".