122331145031145 has 12 divisors (see below), whose sum is σ = 212040651387396. Its totient is φ = 65243277349920.

The previous prime is 122331145031107. The next prime is 122331145031233. The reversal of 122331145031145 is 541130541133221.

122331145031145 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 3 + 1 + 1 + 4 + 503 + 1 + 145 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64033476376464 + 58297668654681 = 8002092^2 + 7635291^2 .

It is not a de Polignac number, because 122331145031145 - 2¹⁶ = 122331144965609 is a prime.

It is a super-2 number, since 2×122331145031145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359234944746 + ... + 1359234944835.

It is an arithmetic number, because the mean of its divisors is an integer number (17670054282283).

Almost surely, 2^{122331145031145} is an apocalyptic number.

122331145031145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122331145031145 is a deficient number, since it is larger than the sum of its proper divisors (89709506356251).

122331145031145 is a wasteful number, since it uses less digits than its factorization.

122331145031145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718469889592 (or 2718469889589 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 122331145031145 its reverse (541130541133221), we get a palindrome (663461686164366).

The spelling of 122331145031145 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, one hundred forty-five million, thirty-one thousand, one hundred forty-five".