212011000120122 has 64 divisors (see below), whose sum is σ = 484962130001664. Its totient is φ = 60528889774080.

The previous prime is 212011000120091. The next prime is 212011000120147. The reversal of 212011000120122 is 221021000110212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393275722 + ... + 393814442.

It is an arithmetic number, because the mean of its divisors is an integer number (7577533281276).

Almost surely, 2^{212011000120122} is an apocalyptic number.

212011000120122 is an abundant number, since it is smaller than the sum of its proper divisors (272951129881542).

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

212011000120122 is a wasteful number, since it uses less digits than its factorization.

212011000120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545783.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212011000120122 its reverse (221021000110212), we get a palindrome (433032000230334).

The spelling of 212011000120122 in words is "two hundred twelve trillion, eleven billion, one hundred twenty thousand, one hundred twenty-two".