212211000112120 has 64 divisors (see below), whose sum is σ = 487755076636800. Its totient is φ = 83057684904960.

The previous prime is 212211000112099. The next prime is 212211000112121. The reversal of 212211000112120 is 21211000112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211000112094 and 212211000112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211000112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6476605 + ... + 21595564.

It is an arithmetic number, because the mean of its divisors is an integer number (7621173072450).

Almost surely, 2^{212211000112120} is an apocalyptic number.

212211000112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212211000112120 is an abundant number, since it is smaller than the sum of its proper divisors (275544076524680).

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

212211000112120 is a wasteful number, since it uses less digits than its factorization.

212211000112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28076248 (or 28076244 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212211000112120 its reverse (21211000112212), we get a palindrome (233422000224332).

The spelling of 212211000112120 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twelve thousand, one hundred twenty".