142211425232123 has 12 divisors (see below), whose sum is σ = 154010442252888. Its totient is φ = 131256579542400.

The previous prime is 142211425232119. The next prime is 142211425232143. The reversal of 142211425232123 is 321232524112241.

It is a happy number.

It is not a de Polignac number, because 142211425232123 - 2² = 142211425232119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142211425232143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48261278 + ... + 51123123.

It is an arithmetic number, because the mean of its divisors is an integer number (12834203521074).

Almost surely, 2^{142211425232123} is an apocalyptic number.

142211425232123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142211425232123 is a deficient number, since it is larger than the sum of its proper divisors (11799017020765).

142211425232123 is an equidigital number, since it uses as much as digits as its factorization.

142211425232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99392894 (or 99392881 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

Adding to 142211425232123 its reverse (321232524112241), we get a palindrome (463443949344364).

The spelling of 142211425232123 in words is "one hundred forty-two trillion, two hundred eleven billion, four hundred twenty-five million, two hundred thirty-two thousand, one hundred twenty-three".