212150235040 has 48 divisors (see below), whose sum is σ = 502692313032. Its totient is φ = 84608262144.

The previous prime is 212150235029. The next prime is 212150235041. The reversal of 212150235040 is 40532051212.

212150235040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122435608464 + 89714626576 = 349908^2 + 299524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212150234996 and 212150235014.

It is not an unprimeable number, because it can be changed into a prime (212150235041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913349 + ... + 2021188.

Almost surely, 2^212150235040 is an apocalyptic number.

212150235040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212150235040 is an abundant number, since it is smaller than the sum of its proper divisors (290542077992).

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

212150235040 is a wasteful number, since it uses less digits than its factorization.

212150235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934889 (or 3934881 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 212150235040 its reverse (40532051212), we get a palindrome (252682286252).

The spelling of 212150235040 in words is "two hundred twelve billion, one hundred fifty million, two hundred thirty-five thousand, forty".