142000122100 has 72 divisors (see below), whose sum is σ = 322107161600. Its totient is φ = 54271900800.

The previous prime is 142000122097. The next prime is 142000122107. The reversal of 142000122100 is 1221000241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000122107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45015 + ... + 534814.

Almost surely, 2^142000122100 is an apocalyptic number.

142000122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142000122100 is an abundant number, since it is smaller than the sum of its proper divisors (180107039500).

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

142000122100 is a wasteful number, since it uses less digits than its factorization.

142000122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579953 (or 579946 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 142000122100 its reverse (1221000241), we get a palindrome (143221122341).

The spelling of 142000122100 in words is "one hundred forty-two billion, one hundred twenty-two thousand, one hundred".