212242033142 has 32 divisors (see below), whose sum is σ = 338438001600. Its totient is φ = 99634727808.

The previous prime is 212242033141. The next prime is 212242033147. The reversal of 212242033142 is 241330242212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212242033141) 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, 3798584 + ... + 3854052.

It is an arithmetic number, because the mean of its divisors is an integer number (10576187550).

Almost surely, 2^212242033142 is an apocalyptic number.

212242033142 is a deficient number, since it is larger than the sum of its proper divisors (126195968458).

212242033142 is a wasteful number, since it uses less digits than its factorization.

212242033142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57320.

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

Adding to 212242033142 its reverse (241330242212), we get a palindrome (453572275354).

The spelling of 212242033142 in words is "two hundred twelve billion, two hundred forty-two million, thirty-three thousand, one hundred forty-two".