120231503265506 has 8 divisors (see below), whose sum is σ = 181095583757484. Its totient is φ = 59866308679680.

The previous prime is 120231503265493. The next prime is 120231503265569. The reversal of 120231503265506 is 605562305132021.

It can be written as a sum of positive squares in 2 ways, for example, as 103199002833481 + 17032500432025 = 10158691^2 + 4127045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120231503265506² (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 3 ways as a sum of consecutive naturals, for example, 124721475935 + ... + 124721476898.

Almost surely, 2^{120231503265506} is an apocalyptic number.

120231503265506 is a deficient number, since it is larger than the sum of its proper divisors (60864080491978).

120231503265506 is a wasteful number, since it uses less digits than its factorization.

120231503265506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249442953076.

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 120231503265506 its reverse (605562305132021), we get a palindrome (725793808397527).

The spelling of 120231503265506 in words is "one hundred twenty trillion, two hundred thirty-one billion, five hundred three million, two hundred sixty-five thousand, five hundred six".