122331003142 has 4 divisors (see below), whose sum is σ = 183496504716. Its totient is φ = 61165501570.

The previous prime is 122331003139. The next prime is 122331003143. The reversal of 122331003142 is 241300133221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331003143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582750784 + ... + 30582750787.

It is an arithmetic number, because the mean of its divisors is an integer number (45874126179).

Almost surely, 2^122331003142 is an apocalyptic number.

122331003142 is a deficient number, since it is larger than the sum of its proper divisors (61165501574).

122331003142 is an equidigital number, since it uses as much as digits as its factorization.

122331003142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61165501573.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122331003142 its reverse (241300133221), we get a palindrome (363631136363).

The spelling of 122331003142 in words is "one hundred twenty-two billion, three hundred thirty-one million, three thousand, one hundred forty-two".