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12132301230012 = 223172967173176927
BaseRepresentation
bin1011000010001100010110…
…0000010100111110111100
31120221211120221011221112110
42300203011200110332330
53042233423103330022
641445300252334020
72361346506633165
oct260430540247674
946854527157473
1012132301230012
113958309835117
12143b3a3174310
136a00c027a382
142dd2c695676c
151608c7cea00c
hexb08c5814fbc

12132301230012 has 192 divisors, whose sum is σ = 31652390891520. Its totient is φ = 3599167401984.

The previous prime is 12132301230011. The next prime is 12132301230103. The reversal of 12132301230012 is 21003210323121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132301230011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68483893 + ... + 68660819.

It is an arithmetic number, because the mean of its divisors is an integer number (164856202560).

Almost surely, 212132301230012 is an apocalyptic number.

12132301230012 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 12132301230012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15826195445760).

12132301230012 is an abundant number, since it is smaller than the sum of its proper divisors (19520089661508).

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

12132301230012 is a wasteful number, since it uses less digits than its factorization.

12132301230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177220 (or 177218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12132301230012 its reverse (21003210323121), we get a palindrome (33135511553133).

The spelling of 12132301230012 in words is "twelve trillion, one hundred thirty-two billion, three hundred one million, two hundred thirty thousand, twelve".