142120012331 has 8 divisors (see below), whose sum is σ = 163200014400. Its totient is φ = 122400010440.

The previous prime is 142120012327. The next prime is 142120012339. The reversal of 142120012331 is 133210021241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142120012331 - 2² = 142120012327 is a prime.

It is a super-2 number, since 2×142120012331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120012339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339999821 + ... + 340000238.

It is an arithmetic number, because the mean of its divisors is an integer number (20400001800).

Almost surely, 2^142120012331 is an apocalyptic number.

142120012331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142120012331 is a deficient number, since it is larger than the sum of its proper divisors (21080002069).

142120012331 is a wasteful number, since it uses less digits than its factorization.

142120012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680000089.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 142120012331 its reverse (133210021241), we get a palindrome (275330033572).

The spelling of 142120012331 in words is "one hundred forty-two billion, one hundred twenty million, twelve thousand, three hundred thirty-one".