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121213323232 = 2512729826113
BaseRepresentation
bin111000011100011100…
…0001000011111100000
3102120212120020211001221
41300320320020133200
53441221102320412
6131403514104424
711520531150631
oct1607070103740
9376776224057
10121213323232
11474518408a1
121b5aa11b114
13b579694c01
145c1c543888
153246773b07
hex1c38e087e0

121213323232 has 24 divisors (see below), whose sum is σ = 240517783296. Its totient is φ = 60129441792.

The previous prime is 121213323227. The next prime is 121213323241. The reversal of 121213323232 is 232323312121.

It is a junction number, because it is equal to n+sod(n) for n = 121213323197 and 121213323206.

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, 14908993 + ... + 14917120.

It is an arithmetic number, because the mean of its divisors is an integer number (10021574304).

Almost surely, 2121213323232 is an apocalyptic number.

It is an amenable number.

121213323232 is a deficient number, since it is larger than the sum of its proper divisors (119304460064).

121213323232 is a wasteful number, since it uses less digits than its factorization.

121213323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29826250 (or 29826242 counting only the distinct ones).

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

Adding to 121213323232 its reverse (232323312121), we get a palindrome (353536635353).

The spelling of 121213323232 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 127 254 508 1016 2032 4064 29826113 59652226 119304452 238608904 477217808 954435616 3787916351 7575832702 15151665404 30303330808 60606661616 121213323232