212345323543212 has 96 divisors (see below), whose sum is σ = 518425354191360. Its totient is φ = 67519594897920.

The previous prime is 212345323543139. The next prime is 212345323543219.

212345323543212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (212345323543219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3176838912 + ... + 3176905752.

It is an arithmetic number, because the mean of its divisors is an integer number (5400264106160).

Almost surely, 2^{212345323543212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212345323543212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259212677095680).

212345323543212 is an abundant number, since it is smaller than the sum of its proper divisors (306080030648148).

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

212345323543212 is a wasteful number, since it uses less digits than its factorization.

212345323543212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98103 (or 98101 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The spelling of 212345323543212 in words is "two hundred twelve trillion, three hundred forty-five billion, three hundred twenty-three million, five hundred forty-three thousand, two hundred twelve".