121020122012 has 12 divisors (see below), whose sum is σ = 211788068016. Its totient is φ = 60509245440.

The previous prime is 121020121973. The next prime is 121020122017. The reversal of 121020122012 is 210221020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020122017) 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, 234908 + ... + 545180.

It is an arithmetic number, because the mean of its divisors is an integer number (17649005668).

Almost surely, 2^121020122012 is an apocalyptic number.

It is an amenable number.

121020122012 is a deficient number, since it is larger than the sum of its proper divisors (90767946004).

121020122012 is a wasteful number, since it uses less digits than its factorization.

121020122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407788 (or 407786 counting only the distinct ones).

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

Adding to 121020122012 its reverse (210221020121), we get a palindrome (331241142133).

The spelling of 121020122012 in words is "one hundred twenty-one billion, twenty million, one hundred twenty-two thousand, twelve".