212130515000 has 80 divisors (see below), whose sum is σ = 509144771520. Its totient is φ = 82782560000.

The previous prime is 212130514969. The next prime is 212130515017. The reversal of 212130515000 is 515031212.

It is a happy number.

212130515000 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 312392 + ... + 722391.

It is an arithmetic number, because the mean of its divisors is an integer number (6364309644).

Almost surely, 2^212130515000 is an apocalyptic number.

212130515000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212130515000 is an abundant number, since it is smaller than the sum of its proper divisors (297014256520).

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

212130515000 is a wasteful number, since it uses less digits than its factorization.

212130515000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034850 (or 1034831 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 212130515000 its reverse (515031212), we get a palindrome (212645546212).

The spelling of 212130515000 in words is "two hundred twelve billion, one hundred thirty million, five hundred fifteen thousand".