212201212342 has 16 divisors (see below), whose sum is σ = 366182606592. Its totient is φ = 90341101800.

The previous prime is 212201212331. The next prime is 212201212343. The reversal of 212201212342 is 243212102212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201212343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50187388 + ... + 50191615.

It is an arithmetic number, because the mean of its divisors is an integer number (22886412912).

Almost surely, 2^212201212342 is an apocalyptic number.

212201212342 is a deficient number, since it is larger than the sum of its proper divisors (153981394250).

212201212342 is a wasteful number, since it uses less digits than its factorization.

212201212342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100379163.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212201212342 its reverse (243212102212), we get a palindrome (455413314554).

The spelling of 212201212342 in words is "two hundred twelve billion, two hundred one million, two hundred twelve thousand, three hundred forty-two".