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1232131201112 = 23722002342877
BaseRepresentation
bin10001111011100000101…
…111100001100001011000
311100210100100020020200002
4101323200233201201120
5130141401041413422
62342011103432132
7155006234256140
oct21734057414130
94323310206602
101232131201112
114355a8a3a059
1217a9662b5648
138c260373546
14438c7a21920
15220b5991692
hex11ee0be1858

1232131201112 has 16 divisors (see below), whose sum is σ = 2640281145360. Its totient is φ = 528056229024.

The previous prime is 1232131201069. The next prime is 1232131201117. The reversal of 1232131201112 is 2111021312321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232131201117) 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 3 ways as a sum of consecutive naturals, for example, 11001171383 + ... + 11001171494.

It is an arithmetic number, because the mean of its divisors is an integer number (165017571585).

Almost surely, 21232131201112 is an apocalyptic number.

It is an amenable number.

1232131201112 is an abundant number, since it is smaller than the sum of its proper divisors (1408149944248).

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

1232131201112 is a wasteful number, since it uses less digits than its factorization.

1232131201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002342890 (or 22002342886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1232131201112 its reverse (2111021312321), we get a palindrome (3343152513433).

The spelling of 1232131201112 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 22002342877 44004685754 88009371508 154016400139 176018743016 308032800278 616065600556 1232131201112