212120514120 has 32 divisors (see below), whose sum is σ = 636361542720. Its totient is φ = 56565470400.

The previous prime is 212120514119. The next prime is 212120514169. The reversal of 212120514120 is 21415021212.

It is a super-2 number, since 2×212120514120² (a number of 23 digits) contains 22 as substring.

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, 883835356 + ... + 883835595.

It is an arithmetic number, because the mean of its divisors is an integer number (19886298210).

Almost surely, 2^212120514120 is an apocalyptic number.

212120514120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120514120 is an abundant number, since it is smaller than the sum of its proper divisors (424241028600).

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

212120514120 is a wasteful number, since it uses less digits than its factorization.

212120514120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767670965 (or 1767670961 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 212120514120 its reverse (21415021212), we get a palindrome (233535535332).

The spelling of 212120514120 in words is "two hundred twelve billion, one hundred twenty million, five hundred fourteen thousand, one hundred twenty".