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123132331221203 = 426113928896577
BaseRepresentation
bin11011111111110011111010…
…110111001110000011010011
3121010222100001212120212022102
4123333303322313032003103
5112114400003243034303
61113514113445431015
734636005645233003
oct3377637267160323
9533870055525272
10123132331221203
1136263145a15007
1211987a5470b46b
135392437ab8315
1422598cacaa003
15e37e4b6ea288
hex6ffcfadce0d3

123132331221203 has 4 divisors (see below), whose sum is σ = 123132364378920. Its totient is φ = 123132298063488.

The previous prime is 123132331221191. The next prime is 123132331221239. The reversal of 123132331221203 is 302122133231321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123132331221203 - 214 = 123132331204819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123132331220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10187150 + ... + 18709427.

It is an arithmetic number, because the mean of its divisors is an integer number (30783091094730).

Almost surely, 2123132331221203 is an apocalyptic number.

123132331221203 is a deficient number, since it is larger than the sum of its proper divisors (33157717).

123132331221203 is an equidigital number, since it uses as much as digits as its factorization.

123132331221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33157716.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123132331221203 its reverse (302122133231321), we get a palindrome (425254464452524).

The spelling of 123132331221203 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred three".

Divisors: 1 4261139 28896577 123132331221203