120121001012 has 48 divisors (see below), whose sum is σ = 234397800000. Its totient is φ = 53528154624.

The previous prime is 120121000997. The next prime is 120121001111. The reversal of 120121001012 is 210100121021.

It is a junction number, because it is equal to n+sod(n) for n = 120121000984 and 120121001002.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3002114 + ... + 3041862.

It is an arithmetic number, because the mean of its divisors is an integer number (4883287500).

Almost surely, 2^120121001012 is an apocalyptic number.

It is an amenable number.

120121001012 is a deficient number, since it is larger than the sum of its proper divisors (114276798988).

120121001012 is a wasteful number, since it uses less digits than its factorization.

120121001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42128 (or 42126 counting only the distinct ones).

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

Adding to 120121001012 its reverse (210100121021), we get a palindrome (330221122033).

The spelling of 120121001012 in words is "one hundred twenty billion, one hundred twenty-one million, one thousand, twelve".