142121322052 has 12 divisors (see below), whose sum is σ = 254004065280. Its totient is φ = 69548731976.

The previous prime is 142121322029. The next prime is 142121322113. The reversal of 142121322052 is 250223121241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377982052 + ... + 377982427.

It is an arithmetic number, because the mean of its divisors is an integer number (21167005440).

Almost surely, 2^142121322052 is an apocalyptic number.

It is an amenable number.

142121322052 is a deficient number, since it is larger than the sum of its proper divisors (111882743228).

142121322052 is a wasteful number, since it uses less digits than its factorization.

142121322052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755964530 (or 755964528 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 142121322052 its reverse (250223121241), we get a palindrome (392344443293).

The spelling of 142121322052 in words is "one hundred forty-two billion, one hundred twenty-one million, three hundred twenty-two thousand, fifty-two".