212423314242 has 32 divisors (see below), whose sum is σ = 427219660800. Its totient is φ = 70413093968.

The previous prime is 212423314211. The next prime is 212423314249. The reversal of 212423314242 is 242413324212.

It is not an unprimeable number, because it can be changed into a prime (212423314249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928033 + ... + 1134059.

It is an arithmetic number, because the mean of its divisors is an integer number (13350614400).

Almost surely, 2^212423314242 is an apocalyptic number.

212423314242 is an abundant number, since it is smaller than the sum of its proper divisors (214796346558).

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

212423314242 is a wasteful number, since it uses less digits than its factorization.

212423314242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206990.

The product of its digits is 18432, while the sum is 30.

Adding to 212423314242 its reverse (242413324212), we get a palindrome (454836638454).

The spelling of 212423314242 in words is "two hundred twelve billion, four hundred twenty-three million, three hundred fourteen thousand, two hundred forty-two".