212140302144040 has 32 divisors (see below), whose sum is σ = 479982247884000. Its totient is φ = 84382064313664.

The previous prime is 212140302144007. The next prime is 212140302144101. The reversal of 212140302144040 is 40441203041212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14814259750 + ... + 14814274069.

It is an arithmetic number, because the mean of its divisors is an integer number (14999445246375).

Almost surely, 2^{212140302144040} is an apocalyptic number.

212140302144040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212140302144040 is an abundant number, since it is smaller than the sum of its proper divisors (267841945739960).

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

212140302144040 is a wasteful number, since it uses less digits than its factorization.

212140302144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29628534009 (or 29628534005 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212140302144040 its reverse (40441203041212), we get a palindrome (252581505185252).

The spelling of 212140302144040 in words is "two hundred twelve trillion, one hundred forty billion, three hundred two million, one hundred forty-four thousand, forty".