142321012402250 has 64 divisors (see below), whose sum is σ = 290648575451520. Its totient is φ = 51752527120000.

The previous prime is 142321012402249. The next prime is 142321012402259. The reversal of 142321012402250 is 52204210123241.

It is not an unprimeable number, because it can be changed into a prime (142321012402259) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 312973046 + ... + 313427454.

It is an arithmetic number, because the mean of its divisors is an integer number (4541383991430).

Almost surely, 2^{142321012402250} is an apocalyptic number.

142321012402250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142321012402250 is an abundant number, since it is smaller than the sum of its proper divisors (148327563049270).

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

142321012402250 is a wasteful number, since it uses less digits than its factorization.

142321012402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568328 (or 568318 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142321012402250 its reverse (52204210123241), we get a palindrome (194525222525491).

The spelling of 142321012402250 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twelve million, four hundred two thousand, two hundred fifty".