142121002302 has 16 divisors (see below), whose sum is σ = 315824449680. Its totient is φ = 47373667416.

The previous prime is 142121002259. The next prime is 142121002319. The reversal of 142121002302 is 203200121241.

It is a happy number.

142121002302 is a `hidden beast` number, since 1 + 421 + 2 + 10 + 0 + 230 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315935153 + ... + 1315935260.

It is an arithmetic number, because the mean of its divisors is an integer number (19739028105).

Almost surely, 2^142121002302 is an apocalyptic number.

142121002302 is an abundant number, since it is smaller than the sum of its proper divisors (173703447378).

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

142121002302 is a wasteful number, since it uses less digits than its factorization.

142121002302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631870424 (or 2631870418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 142121002302 its reverse (203200121241), we get a palindrome (345321123543).

The spelling of 142121002302 in words is "one hundred forty-two billion, one hundred twenty-one million, two thousand, three hundred two".