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123222123132 = 22310268510261
BaseRepresentation
bin111001011000010011…
…1000110001001111100
3102210001120011102111020
41302300213012021330
54004324330420012
6132335113424140
711621362523253
oct1626047061174
9383046142436
10123222123132
11482927489a9
121ba6aa0b050
13b8099007c4
145d6d24d79a
153312cc3a8c
hex1cb09c627c

123222123132 has 12 divisors (see below), whose sum is σ = 287518287336. Its totient is φ = 41074041040.

The previous prime is 123222123113. The next prime is 123222123137. The reversal of 123222123132 is 231321222321.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222123137) 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, 5134255119 + ... + 5134255142.

It is an arithmetic number, because the mean of its divisors is an integer number (23959857278).

Almost surely, 2123222123132 is an apocalyptic number.

123222123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123222123132 is an abundant number, since it is smaller than the sum of its proper divisors (164296164204).

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

123222123132 is a wasteful number, since it uses less digits than its factorization.

123222123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268510268 (or 10268510266 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 123222123132 its reverse (231321222321), we get a palindrome (354543345453).

The spelling of 123222123132 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 10268510261 20537020522 30805530783 41074041044 61611061566 123222123132