142521531122 has 8 divisors (see below), whose sum is σ = 214676784000. Its totient is φ = 70962603124.

The previous prime is 142521531083. The next prime is 142521531127. The reversal of 142521531122 is 221135125241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142521531127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149080622 + ... + 149081577.

It is an arithmetic number, because the mean of its divisors is an integer number (26834598000).

Almost surely, 2^142521531122 is an apocalyptic number.

142521531122 is a deficient number, since it is larger than the sum of its proper divisors (72155252878).

142521531122 is a wasteful number, since it uses less digits than its factorization.

142521531122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298162440.

The product of its digits is 4800, while the sum is 29.

Adding to 142521531122 its reverse (221135125241), we get a palindrome (363656656363).

The spelling of 142521531122 in words is "one hundred forty-two billion, five hundred twenty-one million, five hundred thirty-one thousand, one hundred twenty-two".