212454323454212 has 24 divisors (see below), whose sum is σ = 429115663220160. Its totient is φ = 90150349413600.

The previous prime is 212454323454211. The next prime is 212454323454271.

212454323454212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (212454323454211) 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, 37562642762 + ... + 37562648417.

It is an arithmetic number, because the mean of its divisors is an integer number (17879819300840).

Almost surely, 2^{212454323454212} is an apocalyptic number.

It is an amenable number.

212454323454212 is an abundant number, since it is smaller than the sum of its proper divisors (216661339765948).

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

212454323454212 is a wasteful number, since it uses less digits than its factorization.

212454323454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75125291291 (or 75125291289 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 44.

The spelling of 212454323454212 in words is "two hundred twelve trillion, four hundred fifty-four billion, three hundred twenty-three million, four hundred fifty-four thousand, two hundred twelve".