142055121535412 has 24 divisors (see below), whose sum is σ = 248686957766016. Its totient is φ = 71001709502528.

The previous prime is 142055121535391. The next prime is 142055121535423. The reversal of 142055121535412 is 214535121550241.

It is a self number, because there is not a number n which added to its sum of digits gives 142055121535412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127856303 + ... + 128962569.

It is an arithmetic number, because the mean of its divisors is an integer number (10361956573584).

Almost surely, 2^{142055121535412} is an apocalyptic number.

It is an amenable number.

142055121535412 is a deficient number, since it is larger than the sum of its proper divisors (106631836230604).

142055121535412 is a wasteful number, since it uses less digits than its factorization.

142055121535412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117927 (or 1117925 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 142055121535412 in words is "one hundred forty-two trillion, fifty-five billion, one hundred twenty-one million, five hundred thirty-five thousand, four hundred twelve".