122432312145 has 64 divisors (see below), whose sum is σ = 232511457024. Its totient is φ = 54229893120.

The previous prime is 122432312131. The next prime is 122432312179. The reversal of 122432312145 is 541213234221.

It is a happy number.

It is not a de Polignac number, because 122432312145 - 2¹⁶ = 122432246609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86152 + ... + 502281.

It is an arithmetic number, because the mean of its divisors is an integer number (3632991516).

Almost surely, 2^122432312145 is an apocalyptic number.

122432312145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122432312145 is a deficient number, since it is larger than the sum of its proper divisors (110079144879).

122432312145 is a wasteful number, since it uses less digits than its factorization.

122432312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588562.

The product of its digits is 11520, while the sum is 30.

Adding to 122432312145 its reverse (541213234221), we get a palindrome (663645546366).

The spelling of 122432312145 in words is "one hundred twenty-two billion, four hundred thirty-two million, three hundred twelve thousand, one hundred forty-five".