212040001342 has 16 divisors (see below), whose sum is σ = 342594342720. Its totient is φ = 97845134112.

The previous prime is 212040001297. The next prime is 212040001351. The reversal of 212040001342 is 243100040212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678213 + ... + 940240.

It is an arithmetic number, because the mean of its divisors is an integer number (21412146420).

Almost surely, 2^212040001342 is an apocalyptic number.

212040001342 is a deficient number, since it is larger than the sum of its proper divisors (130554341378).

212040001342 is a wasteful number, since it uses less digits than its factorization.

212040001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623507.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212040001342 its reverse (243100040212), we get a palindrome (455140041554).

The spelling of 212040001342 in words is "two hundred twelve billion, forty million, one thousand, three hundred forty-two".