210512114040 has 128 divisors (see below), whose sum is σ = 644235379200. Its totient is φ = 55010342400.

The previous prime is 210512114039. The next prime is 210512114041. The reversal of 210512114040 is 40411215012.

It is an interprime number because it is at equal distance from previous prime (210512114039) and next prime (210512114041).

It is a junction number, because it is equal to n+sod(n) for n = 210512113998 and 210512114016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210512114041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5316315 + ... + 5355765.

It is an arithmetic number, because the mean of its divisors is an integer number (5033088900).

Almost surely, 2^210512114040 is an apocalyptic number.

210512114040 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 210512114040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322117689600).

210512114040 is an abundant number, since it is smaller than the sum of its proper divisors (433723265160).

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

210512114040 is a wasteful number, since it uses less digits than its factorization.

210512114040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357 (or 40353 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 210512114040 its reverse (40411215012), we get a palindrome (250923329052).

The spelling of 210512114040 in words is "two hundred ten billion, five hundred twelve million, one hundred fourteen thousand, forty".