212102000012120 has 64 divisors (see below), whose sum is σ = 480150091249920. Its totient is φ = 84321716977024.

The previous prime is 212102000012117. The next prime is 212102000012167. The reversal of 212102000012120 is 21210000201212.

It is a junction number, because it is equal to n+sod(n) for n = 212102000012095 and 212102000012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48978059 + ... + 53132421.

It is an arithmetic number, because the mean of its divisors is an integer number (7502345175780).

Almost surely, 2^{212102000012120} is an apocalyptic number.

212102000012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102000012120 is an abundant number, since it is smaller than the sum of its proper divisors (268048091237800).

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

212102000012120 is a wasteful number, since it uses less digits than its factorization.

212102000012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162184 (or 4162180 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212102000012120 its reverse (21210000201212), we get a palindrome (233312000213332).

The spelling of 212102000012120 in words is "two hundred twelve trillion, one hundred two billion, twelve thousand, one hundred twenty".