212431034042 has 8 divisors (see below), whose sum is σ = 319734082836. Its totient is φ = 105853006432.

The previous prime is 212431034029. The next prime is 212431034087. The reversal of 212431034042 is 240430134212.

It can be written as a sum of positive squares in 2 ways, for example, as 147985626721 + 64445407321 = 384689^2 + 253861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181254563 + ... + 181255734.

Almost surely, 2^212431034042 is an apocalyptic number.

212431034042 is a deficient number, since it is larger than the sum of its proper divisors (107303048794).

212431034042 is a wasteful number, since it uses less digits than its factorization.

212431034042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362510592.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212431034042 its reverse (240430134212), we get a palindrome (452861168254).

The spelling of 212431034042 in words is "two hundred twelve billion, four hundred thirty-one million, thirty-four thousand, forty-two".