212550244500 has 192 divisors, whose sum is σ = 696996937728. Its totient is φ = 49865040000.

The previous prime is 212550244493. The next prime is 212550244507. The reversal of 212550244500 is 5442055212.

It is an interprime number because it is at equal distance from previous prime (212550244493) and next prime (212550244507).

It is a super-3 number, since 3×212550244500³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212550244507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303729 + ... + 719271.

It is an arithmetic number, because the mean of its divisors is an integer number (3630192384).

Almost surely, 2^212550244500 is an apocalyptic number.

212550244500 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 212550244500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348498468864).

212550244500 is an abundant number, since it is smaller than the sum of its proper divisors (484446693228).

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

212550244500 is a wasteful number, since it uses less digits than its factorization.

212550244500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415607 (or 415595 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 212550244500 its reverse (5442055212), we get a palindrome (217992299712).

The spelling of 212550244500 in words is "two hundred twelve billion, five hundred fifty million, two hundred forty-four thousand, five hundred".