120121012010 has 32 divisors (see below), whose sum is σ = 217470718080. Its totient is φ = 47770333632.

The previous prime is 120121012003. The next prime is 120121012073. The reversal of 120121012010 is 10210121021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120121011982 and 120121012000.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2829521 + ... + 2871659.

It is an arithmetic number, because the mean of its divisors is an integer number (6795959940).

Almost surely, 2^120121012010 is an apocalyptic number.

120121012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121012010 is a deficient number, since it is larger than the sum of its proper divisors (97349706070).

120121012010 is a wasteful number, since it uses less digits than its factorization.

120121012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43790.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120121012010 its reverse (10210121021), we get a palindrome (130331133031).

The spelling of 120121012010 in words is "one hundred twenty billion, one hundred twenty-one million, twelve thousand, ten".