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121230002231 = 1322341817869
BaseRepresentation
bin111000011100111011…
…1110000100000110111
3102120220201122012100122
41300321313300200313
53441234340032411
6131405311402155
711521123005512
oct1607167604067
9376821565318
10121230002231
11474601a2a98
121b5b382335b
13b57cc84840
145c20845d79
153247e6a9db
hex1c39df0837

121230002231 has 8 divisors (see below), whose sum is σ = 131140840320. Its totient is φ = 111402800352.

The previous prime is 121230002221. The next prime is 121230002233. The reversal of 121230002231 is 132200032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121230002231 is a prime.

It is a super-2 number, since 2×1212300022312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230002233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20906036 + ... + 20911833.

It is an arithmetic number, because the mean of its divisors is an integer number (16392605040).

Almost surely, 2121230002231 is an apocalyptic number.

121230002231 is a deficient number, since it is larger than the sum of its proper divisors (9910838089).

121230002231 is a wasteful number, since it uses less digits than its factorization.

121230002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41818105.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121230002231 its reverse (132200032121), we get a palindrome (253430034352).

The spelling of 121230002231 in words is "one hundred twenty-one billion, two hundred thirty million, two thousand, two hundred thirty-one".

Divisors: 1 13 223 2899 41817869 543632297 9325384787 121230002231