212031030210140 has 96 divisors (see below), whose sum is σ = 461436751835136. Its totient is φ = 81753717726720.

The previous prime is 212031030210133. The next prime is 212031030210163. The reversal of 212031030210140 is 41012030130212.

212031030210140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1303257239 + ... + 1303419921.

It is an arithmetic number, because the mean of its divisors is an integer number (4806632831616).

Almost surely, 2^{212031030210140} is an apocalyptic number.

212031030210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212031030210140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230718375917568).

212031030210140 is an abundant number, since it is smaller than the sum of its proper divisors (249405721624996).

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

212031030210140 is a wasteful number, since it uses less digits than its factorization.

212031030210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170979 (or 170977 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212031030210140 its reverse (41012030130212), we get a palindrome (253043060340352).

The spelling of 212031030210140 in words is "two hundred twelve trillion, thirty-one billion, thirty million, two hundred ten thousand, one hundred forty".