235520121016 has 16 divisors (see below), whose sum is σ = 441615687840. Its totient is φ = 117755937600.

The previous prime is 235520120999. The next prime is 235520121101. The reversal of 235520121016 is 610121025532.

It is a congruent number.

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, 265456 + ... + 735871.

It is an arithmetic number, because the mean of its divisors is an integer number (27600980490).

Almost surely, 2^235520121016 is an apocalyptic number.

It is an amenable number.

235520121016 is a deficient number, since it is larger than the sum of its proper divisors (206095566824).

235520121016 is a wasteful number, since it uses less digits than its factorization.

235520121016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030734 (or 1030730 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 235520121016 its reverse (610121025532), we get a palindrome (845641146548).

The spelling of 235520121016 in words is "two hundred thirty-five billion, five hundred twenty million, one hundred twenty-one thousand, sixteen".