212001102210012 has 24 divisors (see below), whose sum is σ = 511726798438800. Its totient is φ = 68230239791616.

The previous prime is 212001102209933. The next prime is 212001102210013. The reversal of 212001102210012 is 210012201100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001102209973 and 212001102210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001102210013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304599284437 + ... + 304599285132.

It is an arithmetic number, because the mean of its divisors is an integer number (21321949934950).

Almost surely, 2^{212001102210012} is an apocalyptic number.

It is an amenable number.

212001102210012 is an abundant number, since it is smaller than the sum of its proper divisors (299725696228788).

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

212001102210012 is a wasteful number, since it uses less digits than its factorization.

212001102210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609198569605 (or 609198569603 counting only the distinct ones).

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

Adding to 212001102210012 its reverse (210012201100212), we get a palindrome (422013303310224).

The spelling of 212001102210012 in words is "two hundred twelve trillion, one billion, one hundred two million, two hundred ten thousand, twelve".