120020121212 has 12 divisors (see below), whose sum is σ = 210488855136. Its totient is φ = 59880448320.

The previous prime is 120020121211. The next prime is 120020121229. The reversal of 120020121212 is 212121020021.

120020121212 is a modest number, since divided by 121212 gives 120020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32400989 + ... + 32404692.

It is an arithmetic number, because the mean of its divisors is an integer number (17540737928).

Almost surely, 2^120020121212 is an apocalyptic number.

It is an amenable number.

120020121212 is a deficient number, since it is larger than the sum of its proper divisors (90468733924).

120020121212 is a wasteful number, since it uses less digits than its factorization.

120020121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64806148 (or 64806146 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120020121212 its reverse (212121020021), we get a palindrome (332141141233).

The spelling of 120020121212 in words is "one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred twelve".