212442303042 has 80 divisors (see below), whose sum is σ = 490470057792. Its totient is φ = 68678059680.

The previous prime is 212442303013. The next prime is 212442303091. The reversal of 212442303042 is 240303244212.

212442303042 is a `hidden beast` number, since 2 + 124 + 4 + 230 + 304 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212442302997 and 212442303015.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1807153 + ... + 1921115.

Almost surely, 2^212442303042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212442303042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245235028896).

212442303042 is an abundant number, since it is smaller than the sum of its proper divisors (278027754750).

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

212442303042 is a wasteful number, since it uses less digits than its factorization.

212442303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114325 (or 114316 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 212442303042 its reverse (240303244212), we get a palindrome (452745547254).

The spelling of 212442303042 in words is "two hundred twelve billion, four hundred forty-two million, three hundred three thousand, forty-two".