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121001230233 = 32131079665407
BaseRepresentation
bin111000010110000111…
…1000011111110011001
3102120022210011101011200
41300230033003332121
53440302303331413
6131330500144413
711512344325662
oct1605417037631
9376283141150
10121001230233
1147353049224
121b54b098109
13b5447654b0
145bdc2d4369
153232d2b573
hex1c2c3c3f99

121001230233 has 24 divisors (see below), whose sum is σ = 189983259648. Its totient is φ = 73766378592.

The previous prime is 121001230169. The next prime is 121001230243. The reversal of 121001230233 is 332032100121.

It is not a de Polignac number, because 121001230233 - 26 = 121001230169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121001230243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4820185 + ... + 4845222.

It is an arithmetic number, because the mean of its divisors is an integer number (7915969152).

Almost surely, 2121001230233 is an apocalyptic number.

121001230233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121001230233 is a deficient number, since it is larger than the sum of its proper divisors (68982029415).

121001230233 is a wasteful number, since it uses less digits than its factorization.

121001230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665533 (or 9665530 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121001230233 its reverse (332032100121), we get a palindrome (453033330354).

The spelling of 121001230233 in words is "one hundred twenty-one billion, one million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 9 13 39 107 117 321 963 1391 4173 12519 9665407 28996221 86988663 125650291 376950873 1034198549 1130852619 3102595647 9307786941 13444581137 40333743411 121001230233