120231133524550 has 48 divisors (see below), whose sum is σ = 228413348578800. Its totient is φ = 47070875606400.

The previous prime is 120231133524533. The next prime is 120231133524577. The reversal of 120231133524550 is 55425331132021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88312041 + ... + 89663140.

It is an arithmetic number, because the mean of its divisors is an integer number (4758611428725).

Almost surely, 2^{120231133524550} is an apocalyptic number.

120231133524550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120231133524550 is a deficient number, since it is larger than the sum of its proper divisors (108182215054250).

120231133524550 is a wasteful number, since it uses less digits than its factorization.

120231133524550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177975481 (or 177975476 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 120231133524550 its reverse (55425331132021), we get a palindrome (175656464656571).

The spelling of 120231133524550 in words is "one hundred twenty trillion, two hundred thirty-one billion, one hundred thirty-three million, five hundred twenty-four thousand, five hundred fifty".