212011220212120 has 32 divisors (see below), whose sum is σ = 545171709117600. Its totient is φ = 72689561215488.

The previous prime is 212011220212063. The next prime is 212011220212153. The reversal of 212011220212120 is 21212022110212.

It is a congruent number.

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, 378591464385 + ... + 378591464944.

It is an arithmetic number, because the mean of its divisors is an integer number (17036615909925).

Almost surely, 2^{212011220212120} is an apocalyptic number.

212011220212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011220212120 is an abundant number, since it is smaller than the sum of its proper divisors (333160488905480).

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

212011220212120 is a wasteful number, since it uses less digits than its factorization.

212011220212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757182929347 (or 757182929343 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212011220212120 its reverse (21212022110212), we get a palindrome (233223242322332).

The spelling of 212011220212120 in words is "two hundred twelve trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty".