120212121010 has 16 divisors (see below), whose sum is σ = 216408065472. Its totient is φ = 48079015600.

The previous prime is 120212120999. The next prime is 120212121019. The reversal of 120212121010 is 10121212021.

It is not an unprimeable number, because it can be changed into a prime (120212121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642046 + ... + 807865.

It is an arithmetic number, because the mean of its divisors is an integer number (13525504092).

Almost surely, 2^120212121010 is an apocalyptic number.

120212121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120212121010 is a deficient number, since it is larger than the sum of its proper divisors (96195944462).

120212121010 is a wasteful number, since it uses less digits than its factorization.

120212121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458209.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120212121010 its reverse (10121212021), we get a palindrome (130333333031).

The spelling of 120212121010 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, ten".