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121223330232 = 2335050972093
BaseRepresentation
bin111000011100101111…
…0010011100110111000
3102120220021002020002120
41300321132103212320
53441231133031412
6131404512401240
711521012206564
oct1607136234670
9376807066076
10121223330232
1147457456244
121b5b1546220
13b57b789a04
145c1d9ca6a4
15324759db8c
hex1c397939b8

121223330232 has 16 divisors (see below), whose sum is σ = 303058325640. Its totient is φ = 40407776736.

The previous prime is 121223330213. The next prime is 121223330243. The reversal of 121223330232 is 232033322121.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5050972093 = 121223330232 / (1 + 2 + 1 + 2 + 2 + 3 + 3 + 3 + 0 + 2 + 3 + 2).

It is a congruent number.

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, 2525486023 + ... + 2525486070.

Almost surely, 2121223330232 is an apocalyptic number.

121223330232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121223330232 is an abundant number, since it is smaller than the sum of its proper divisors (181834995408).

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

121223330232 is a wasteful number, since it uses less digits than its factorization.

121223330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050972102 (or 5050972098 counting only the distinct ones).

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

Adding to 121223330232 its reverse (232033322121), we get a palindrome (353256652353).

The spelling of 121223330232 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 5050972093 10101944186 15152916279 20203888372 30305832558 40407776744 60611665116 121223330232