202142144112 has 20 divisors (see below), whose sum is σ = 522200539080. Its totient is φ = 67380714688.

The previous prime is 202142144081. The next prime is 202142144117. The reversal of 202142144112 is 211441241202.

It is a happy number.

It is a super-2 number, since 2×202142144112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142144117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105647287 + ... + 2105647382.

It is an arithmetic number, because the mean of its divisors is an integer number (26110026954).

Almost surely, 2^202142144112 is an apocalyptic number.

It is an amenable number.

202142144112 is an abundant number, since it is smaller than the sum of its proper divisors (320058394968).

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

202142144112 is a wasteful number, since it uses less digits than its factorization.

202142144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211294680 (or 4211294674 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202142144112 its reverse (211441241202), we get a palindrome (413583385314).

The spelling of 202142144112 in words is "two hundred two billion, one hundred forty-two million, one hundred forty-four thousand, one hundred twelve".