212212012122102 has 32 divisors (see below), whose sum is σ = 424510493876352. Its totient is φ = 70722926898624.

The previous prime is 212212012122083. The next prime is 212212012122113. The reversal of 212212012122102 is 201221210212212.

It is a super-2 number, since 2×212212012122102² (a number of 29 digits) contains 22 as substring.

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, 832903093 + ... + 833157839.

It is an arithmetic number, because the mean of its divisors is an integer number (13265952933636).

Almost surely, 2^{212212012122102} is an apocalyptic number.

212212012122102 is an abundant number, since it is smaller than the sum of its proper divisors (212298481754250).

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

212212012122102 is a wasteful number, since it uses less digits than its factorization.

212212012122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282492.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212012122102 its reverse (201221210212212), we get a palindrome (413433222334314).

The spelling of 212212012122102 in words is "two hundred twelve trillion, two hundred twelve billion, twelve million, one hundred twenty-two thousand, one hundred two".