120100121212 has 24 divisors (see below), whose sum is σ = 211241380896. Its totient is φ = 59745842688.

The previous prime is 120100121179. The next prime is 120100121227. The reversal of 120100121212 is 212121001021.

120100121212 is a modest number, since divided by 121212 gives 120100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 120100121192 and 120100121201.

It is a congruent number.

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, 1164948 + ... + 1263844.

It is an arithmetic number, because the mean of its divisors is an integer number (8801724204).

Almost surely, 2^120100121212 is an apocalyptic number.

It is an amenable number.

120100121212 is a deficient number, since it is larger than the sum of its proper divisors (91141259684).

120100121212 is a wasteful number, since it uses less digits than its factorization.

120100121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100437 (or 100435 counting only the distinct ones).

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

Adding to 120100121212 its reverse (212121001021), we get a palindrome (332221122233).

The spelling of 120100121212 in words is "one hundred twenty billion, one hundred million, one hundred twenty-one thousand, two hundred twelve".