212232045042 has 24 divisors (see below), whose sum is σ = 459854106816. Its totient is φ = 70741244376.

The previous prime is 212232045013. The next prime is 212232045059. The reversal of 212232045042 is 240540232212.

212232045042 is a `hidden beast` number, since 2 + 122 + 32 + 0 + 4 + 504 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 212232044997 and 212232045015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270963 + ... + 705609.

It is an arithmetic number, because the mean of its divisors is an integer number (19160587784).

Almost surely, 2^212232045042 is an apocalyptic number.

212232045042 is an abundant number, since it is smaller than the sum of its proper divisors (247622061774).

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

212232045042 is a wasteful number, since it uses less digits than its factorization.

212232045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461782 (or 461779 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 212232045042 its reverse (240540232212), we get a palindrome (452772277254).

The spelling of 212232045042 in words is "two hundred twelve billion, two hundred thirty-two million, forty-five thousand, forty-two".