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121211300132 = 22132179306657
BaseRepresentation
bin111000011100011000…
…0011010100100100100
3102120212102110000220022
41300320300122210210
53441220043101012
6131403402454312
711520505023446
oct1607060324444
9376772400808
10121211300132
114745068990a
121b5a9504398
13b579137100
145c1c178496
1532464c4472
hex1c38c1a924

121211300132 has 18 divisors (see below), whose sum is σ = 229691828898. Its totient is φ = 55943676672.

The previous prime is 121211300101. The next prime is 121211300141. The reversal of 121211300132 is 231003112121.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 121211207716 = 304^2 + 348154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121211300132.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89652653 + ... + 89654004.

It is an arithmetic number, because the mean of its divisors is an integer number (12760657161).

Almost surely, 2121211300132 is an apocalyptic number.

It is an amenable number.

121211300132 is a deficient number, since it is larger than the sum of its proper divisors (108480528766).

121211300132 is a wasteful number, since it uses less digits than its factorization.

121211300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179306687 (or 179306672 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121211300132 its reverse (231003112121), we get a palindrome (352214412253).

The spelling of 121211300132 in words is "one hundred twenty-one billion, two hundred eleven million, three hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 169 338 676 179306657 358613314 717226628 2330986541 4661973082 9323946164 30302825033 60605650066 121211300132