142103532312 has 144 divisors (see below), whose sum is σ = 448167737160. Its totient is φ = 40558468608.

The previous prime is 142103532299. The next prime is 142103532313. The reversal of 142103532312 is 213235301241.

142103532312 is a `hidden beast` number, since 1 + 421 + 0 + 3 + 5 + 3 + 231 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142103532313) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3426243 + ... + 3467469.

Almost surely, 2^142103532312 is an apocalyptic number.

142103532312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142103532312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224083868580).

142103532312 is an abundant number, since it is smaller than the sum of its proper divisors (306064204848).

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

142103532312 is a wasteful number, since it uses less digits than its factorization.

142103532312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42230 (or 42216 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 142103532312 its reverse (213235301241), we get a palindrome (355338833553).

The spelling of 142103532312 in words is "one hundred forty-two billion, one hundred three million, five hundred thirty-two thousand, three hundred twelve".