121002121012 has 12 divisors (see below), whose sum is σ = 211961524320. Its totient is φ = 60441685496.

The previous prime is 121002121007. The next prime is 121002121027. The reversal of 121002121012 is 210121200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002120983 and 121002121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14839168 + ... + 14847319.

It is an arithmetic number, because the mean of its divisors is an integer number (17663460360).

Almost surely, 2^121002121012 is an apocalyptic number.

It is an amenable number.

121002121012 is a deficient number, since it is larger than the sum of its proper divisors (90959403308).

121002121012 is a wasteful number, since it uses less digits than its factorization.

121002121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29687510 (or 29687508 counting only the distinct ones).

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

Adding to 121002121012 its reverse (210121200121), we get a palindrome (331123321133).

The spelling of 121002121012 in words is "one hundred twenty-one billion, two million, one hundred twenty-one thousand, twelve".