142321133430312 has 32 divisors (see below), whose sum is σ = 356095194235200. Its totient is φ = 47401396388864.

The previous prime is 142321133430283. The next prime is 142321133430341. The reversal of 142321133430312 is 213034331123241.

It is an interprime number because it is at equal distance from previous prime (142321133430283) and next prime (142321133430341).

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, 2436309012 + ... + 2436367427.

It is an arithmetic number, because the mean of its divisors is an integer number (11127974819850).

Almost surely, 2^{142321133430312} is an apocalyptic number.

142321133430312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142321133430312 is an abundant number, since it is smaller than the sum of its proper divisors (213774060804888).

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

142321133430312 is a wasteful number, since it uses less digits than its factorization.

142321133430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872677665 (or 4872677661 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 142321133430312 its reverse (213034331123241), we get a palindrome (355355464553553).

The spelling of 142321133430312 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred thirty-three million, four hundred thirty thousand, three hundred twelve".