120521321210 has 16 divisors (see below), whose sum is σ = 221554089216. Its totient is φ = 47182814928.

The previous prime is 120521321197. The next prime is 120521321233. The reversal of 120521321210 is 12123125021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128213702 + ... + 128214641.

It is an arithmetic number, because the mean of its divisors is an integer number (13847130576).

Almost surely, 2^120521321210 is an apocalyptic number.

120521321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120521321210 is a deficient number, since it is larger than the sum of its proper divisors (101032768006).

120521321210 is a wasteful number, since it uses less digits than its factorization.

120521321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256428397.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 120521321210 its reverse (12123125021), we get a palindrome (132644446231).

The spelling of 120521321210 in words is "one hundred twenty billion, five hundred twenty-one million, three hundred twenty-one thousand, two hundred ten".