212011104242 has 32 divisors (see below), whose sum is σ = 392087786112. Its totient is φ = 83903549184.

The previous prime is 212011104241. The next prime is 212011104269. The reversal of 212011104242 is 242401110212.

It is not an unprimeable number, because it can be changed into a prime (212011104241) 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, 8391188 + ... + 8416415.

It is an arithmetic number, because the mean of its divisors is an integer number (12252743316).

Almost surely, 2^212011104242 is an apocalyptic number.

212011104242 is a deficient number, since it is larger than the sum of its proper divisors (180076681870).

212011104242 is a wasteful number, since it uses less digits than its factorization.

212011104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807682.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212011104242 its reverse (242401110212), we get a palindrome (454412214454).

The spelling of 212011104242 in words is "two hundred twelve billion, eleven million, one hundred four thousand, two hundred forty-two".