212001102021212 has 24 divisors (see below), whose sum is σ = 426154499505504. Its totient is φ = 90396408981312.

The previous prime is 212001102021161. The next prime is 212001102021223. The reversal of 212001102021212 is 212120201100212.

It is a congruent number.

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, 19216918163 + ... + 19216929194.

It is an arithmetic number, because the mean of its divisors is an integer number (17756437479396).

Almost surely, 2^{212001102021212} is an apocalyptic number.

It is an amenable number.

212001102021212 is an abundant number, since it is smaller than the sum of its proper divisors (214153397484292).

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

212001102021212 is a wasteful number, since it uses less digits than its factorization.

212001102021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38433847565 (or 38433847563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212001102021212 its reverse (212120201100212), we get a palindrome (424121303121424).

The spelling of 212001102021212 in words is "two hundred twelve trillion, one billion, one hundred two million, twenty-one thousand, two hundred twelve".