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210112110012012 = 2231322983313137519
BaseRepresentation
bin101111110001100010001001…
…101011100010011001101100
31000112221112002012122000002220
4233301202021223202121230
5210014434100130341022
62022512100521115340
762154045646236105
oct5761421153423154
91015845065560086
10210112110012012
1160a4805554375a
121b695174628b50
139031643ac9300
1439c56a226b3ac
15194577146d85c
hexbf1889ae266c

210112110012012 has 288 divisors, whose sum is σ = 557577414374400. Its totient is φ = 61471047665664.

The previous prime is 210112110011981. The next prime is 210112110012019. The reversal of 210112110012012 is 210210011211012.

It is a happy number.

210112110012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210112110011982 and 210112110012000.

It is not an unprimeable number, because it can be changed into a prime (210112110012019) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1527808189 + ... + 1527945707.

It is an arithmetic number, because the mean of its divisors is an integer number (1936032688800).

Almost surely, 2210112110012012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210112110012012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278788707187200).

210112110012012 is an abundant number, since it is smaller than the sum of its proper divisors (347465304362388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210112110012012 is a wasteful number, since it uses less digits than its factorization.

210112110012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137977 (or 137962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210112110012012 its reverse (210210011211012), we get a palindrome (420322121223024).

The spelling of 210112110012012 in words is "two hundred ten trillion, one hundred twelve billion, one hundred ten million, twelve thousand, twelve".