142122440233220 has 12 divisors (see below), whose sum is σ = 298457124489804. Its totient is φ = 56848976093280.

The previous prime is 142122440233219. The next prime is 142122440233253. The reversal of 142122440233220 is 22332044221241.

It can be written as a sum of positive squares in 2 ways, for example, as 78498749442304 + 63623690790916 = 8859952^2 + 7976446^2 .

It is a super-5 number, since 5×142122440233220⁵ (a number of 72 digits) contains 55555 as substring.

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, 3553061005811 + ... + 3553061005850.

It is an arithmetic number, because the mean of its divisors is an integer number (24871427040817).

Almost surely, 2^{142122440233220} is an apocalyptic number.

142122440233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142122440233220 is an abundant number, since it is smaller than the sum of its proper divisors (156334684256584).

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

142122440233220 is a wasteful number, since it uses less digits than its factorization.

142122440233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106122011670 (or 7106122011668 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142122440233220 its reverse (22332044221241), we get a palindrome (164454484454461).

The spelling of 142122440233220 in words is "one hundred forty-two trillion, one hundred twenty-two billion, four hundred forty million, two hundred thirty-three thousand, two hundred twenty".