212100012101012 has 24 divisors (see below), whose sum is σ = 428400024447360. Its totient is φ = 90000005133600.

The previous prime is 212100012101011. The next prime is 212100012101053. The reversal of 212100012101012 is 210101210001212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100012101011) 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, 37499999312 + ... + 37500004967.

It is an arithmetic number, because the mean of its divisors is an integer number (17850001018640).

Almost surely, 2^{212100012101012} is an apocalyptic number.

It is an amenable number.

212100012101012 is an abundant number, since it is smaller than the sum of its proper divisors (216300012346348).

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

212100012101012 is a wasteful number, since it uses less digits than its factorization.

212100012101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000004391 (or 75000004389 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212100012101012 its reverse (210101210001212), we get a palindrome (422201222102224).

The spelling of 212100012101012 in words is "two hundred twelve trillion, one hundred billion, twelve million, one hundred one thousand, twelve".