210161937245112 has 384 divisors, whose sum is σ = 626276720160000. Its totient is φ = 63427210610688.

The previous prime is 210161937245063. The next prime is 210161937245119. The reversal of 210161937245112 is 211542739161012.

210161937245112 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 6 + 193 + 7 + 2 + 451 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210161937245119) 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, 3759779148 + ... + 3759835044.

It is an arithmetic number, because the mean of its divisors is an integer number (1630928958750).

Almost surely, 2^{210161937245112} 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 210161937245112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313138360080000).

210161937245112 is an abundant number, since it is smaller than the sum of its proper divisors (416114782914888).

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

210161937245112 is a wasteful number, since it uses less digits than its factorization.

210161937245112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57283 (or 57276 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 210161937245112 in words is "two hundred ten trillion, one hundred sixty-one billion, nine hundred thirty-seven million, two hundred forty-five thousand, one hundred twelve".