212130213003312 has 40 divisors (see below), whose sum is σ = 548058132711600. Its totient is φ = 70702963587840.

The previous prime is 212130213003299. The next prime is 212130213003329. The reversal of 212130213003312 is 213300312031212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 221624139 + ... + 222579242.

It is an arithmetic number, because the mean of its divisors is an integer number (13701453317790).

Almost surely, 2^{212130213003312} is an apocalyptic number.

It is an amenable number.

212130213003312 is an abundant number, since it is smaller than the sum of its proper divisors (335927919708288).

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

212130213003312 is a wasteful number, since it uses less digits than its factorization.

212130213003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444213341 (or 444213335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 212130213003312 its reverse (213300312031212), we get a palindrome (425430525034524).

The spelling of 212130213003312 in words is "two hundred twelve trillion, one hundred thirty billion, two hundred thirteen million, three thousand, three hundred twelve".