355120234120 has 32 divisors (see below), whose sum is σ = 799043500800. Its totient is φ = 142044009408.

The previous prime is 355120234111. The next prime is 355120234127. The reversal of 355120234120 is 21432021553.

It is a super-2 number, since 2×355120234120² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355120234127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554697 + ... + 1768423.

It is an arithmetic number, because the mean of its divisors is an integer number (24970109400).

Almost surely, 2^355120234120 is an apocalyptic number.

It is an amenable number.

355120234120 is an abundant number, since it is smaller than the sum of its proper divisors (443923266680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355120234120 is a wasteful number, since it uses less digits than its factorization.

355120234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255277 (or 255273 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 355120234120 its reverse (21432021553), we get a palindrome (376552255673).

The spelling of 355120234120 in words is "three hundred fifty-five billion, one hundred twenty million, two hundred thirty-four thousand, one hundred twenty".