122331042152434 has 4 divisors (see below), whose sum is σ = 183496563228654. Its totient is φ = 61165521076216.

The previous prime is 122331042152393. The next prime is 122331042152437. The reversal of 122331042152434 is 434251240133221.

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

It can be written as a sum of positive squares in only one way, i.e., 119130610601809 + 3200431550625 = 10914697^2 + 1788975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122331042152393 and 122331042152402.

It is not an unprimeable number, because it can be changed into a prime (122331042152437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582760538107 + ... + 30582760538110.

Almost surely, 2^{122331042152434} is an apocalyptic number.

122331042152434 is a deficient number, since it is larger than the sum of its proper divisors (61165521076220).

122331042152434 is an equidigital number, since it uses as much as digits as its factorization.

122331042152434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61165521076219.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 122331042152434 its reverse (434251240133221), we get a palindrome (556582282285655).

The spelling of 122331042152434 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, forty-two million, one hundred fifty-two thousand, four hundred thirty-four".