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131212033230000 = 2435423229285101
BaseRepresentation
bin11101110101011000101110…
…101000011000010010110000
3122012120202012012100211002110
4131311120232220120102300
5114144234221001330000
61143021550444245320
736431520334161642
oct3565305650302260
9565522165324073
10131212033230000
11388987900820a8
1212871930540840
13582a31ab6a918
1424589a68b4892
1510281d58ba850
hex77562ea184b0

131212033230000 has 600 divisors, whose sum is σ = 458056836079920. Its totient is φ = 32314374400000.

The previous prime is 131212033229999. The next prime is 131212033230001. The reversal of 131212033230000 is 32330212131.

131212033230000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131212033229999) and next prime (131212033230001).

It is a tau number, because it is divible by the number of its divisors (600).

It is not an unprimeable number, because it can be changed into a prime (131212033230001) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 460087450 + ... + 460372550.

Almost surely, 2131212033230000 is an apocalyptic number.

131212033230000 is a gapful number since it is divisible by the number (10) 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 131212033230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229028418039960).

131212033230000 is an abundant number, since it is smaller than the sum of its proper divisors (326844802849920).

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

131212033230000 is a wasteful number, since it uses less digits than its factorization.

131212033230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285207 (or 285163 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131212033230000 its reverse (32330212131), we get a palindrome (131244363442131).

The spelling of 131212033230000 in words is "one hundred thirty-one trillion, two hundred twelve billion, thirty-three million, two hundred thirty thousand".