142423122220120 has 64 divisors (see below), whose sum is σ = 366242639212800. Its totient is φ = 48829217627520.

The previous prime is 142423122220033. The next prime is 142423122220133. The reversal of 142423122220120 is 21022221324241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594775 + ... + 16887865.

It is an arithmetic number, because the mean of its divisors is an integer number (5722541237700).

Almost surely, 2^{142423122220120} is an apocalyptic number.

142423122220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142423122220120 is an abundant number, since it is smaller than the sum of its proper divisors (223819516992680).

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

142423122220120 is a wasteful number, since it uses less digits than its factorization.

142423122220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16324328 (or 16324324 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142423122220120 its reverse (21022221324241), we get a palindrome (163445343544361).

The spelling of 142423122220120 in words is "one hundred forty-two trillion, four hundred twenty-three billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".