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1220230233132 = 223101685852761
BaseRepresentation
bin10001110000011011011…
…000111011110000101100
311022122121221110102201020
4101300123120323300230
5124443012414430012
62332322132414140
7154105304563401
oct21603330736054
94278557412636
101220230233132
11430551178729
121785a4777350
138b0b48a3a61
14430b92222a8
1521b1ac83a8c
hex11c1b63bc2c

1220230233132 has 12 divisors (see below), whose sum is σ = 2847203877336. Its totient is φ = 406743411040.

The previous prime is 1220230233097. The next prime is 1220230233149. The reversal of 1220230233132 is 2313320320221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50842926369 + ... + 50842926392.

It is an arithmetic number, because the mean of its divisors is an integer number (237266989778).

Almost surely, 21220230233132 is an apocalyptic number.

1220230233132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220230233132 is an abundant number, since it is smaller than the sum of its proper divisors (1626973644204).

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

1220230233132 is a wasteful number, since it uses less digits than its factorization.

1220230233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101685852768 (or 101685852766 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1220230233132 its reverse (2313320320221), we get a palindrome (3533550553353).

The spelling of 1220230233132 in words is "one trillion, two hundred twenty billion, two hundred thirty million, two hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 101685852761 203371705522 305057558283 406743411044 610115116566 1220230233132