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123212321332 = 2236783932099
BaseRepresentation
bin111001011000000000…
…1101101001000110100
3102210000212201102221121
41302300001231020310
54004314323240312
6132334123353324
711621213310502
oct1626001551064
9383025642847
10123212321332
1148288163741
121ba67682844
13b80787b219
145d6bc1b672
153311ed9707
hex1cb006d234

123212321332 has 12 divisors (see below), whose sum is σ = 216209089600. Its totient is φ = 61438295736.

The previous prime is 123212321293. The next prime is 123212321333. The reversal of 123212321332 is 233123212321.

It is a super-2 number, since 2×1232123213322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123212321297 and 123212321306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212321333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41964582 + ... + 41967517.

Almost surely, 2123212321332 is an apocalyptic number.

It is an amenable number.

123212321332 is a deficient number, since it is larger than the sum of its proper divisors (92996768268).

123212321332 is a wasteful number, since it uses less digits than its factorization.

123212321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83932470 (or 83932468 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 123212321332 its reverse (233123212321), we get a palindrome (356335533653).

The spelling of 123212321332 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 367 734 1468 83932099 167864198 335728396 30803080333 61606160666 123212321332