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30012212101111 = 35418475631771
BaseRepresentation
bin1101101001011110000110…
…01111011011111111110111
310221021010202122220202212021
412310233003033123333313
512413210002244213421
6143455230410534011
76215211410500432
oct664570317337767
9127233678822767
1030012212101111
1196211203503a9
123448699137307
1313991a7507096
1475a85521a819
15370a46e94341
hex1b4bc33dbff7

30012212101111 has 4 divisors (see below), whose sum is σ = 30020687736424. Its totient is φ = 30003736465800.

The previous prime is 30012212101057. The next prime is 30012212101117. The reversal of 30012212101111 is 11110121221003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30012212101111 - 235 = 29977852362743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012212101117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237812345 + ... + 4237819426.

It is an arithmetic number, because the mean of its divisors is an integer number (7505171934106).

Almost surely, 230012212101111 is an apocalyptic number.

30012212101111 is a deficient number, since it is larger than the sum of its proper divisors (8475635313).

30012212101111 is an equidigital number, since it uses as much as digits as its factorization.

30012212101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475635312.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 30012212101111 its reverse (11110121221003), we get a palindrome (41122333322114).

The spelling of 30012212101111 in words is "thirty trillion, twelve billion, two hundred twelve million, one hundred one thousand, one hundred eleven".

Divisors: 1 3541 8475631771 30012212101111