202142212344 has 24 divisors (see below), whose sum is σ = 547468491960. Its totient is φ = 67380737424.

The previous prime is 202142212339. The next prime is 202142212361. The reversal of 202142212344 is 443212241202.

It is a happy number.

202142212344 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 422 + 1 + 234 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×202142212344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403765292 + ... + 1403765435.

It is an arithmetic number, because the mean of its divisors is an integer number (22811187165).

Almost surely, 2^202142212344 is an apocalyptic number.

202142212344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202142212344 is an abundant number, since it is smaller than the sum of its proper divisors (345326279616).

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

202142212344 is a wasteful number, since it uses less digits than its factorization.

202142212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807530739 (or 2807530732 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 202142212344 its reverse (443212241202), we get a palindrome (645354453546).

The spelling of 202142212344 in words is "two hundred two billion, one hundred forty-two million, two hundred twelve thousand, three hundred forty-four".