121201120012012 has 6 divisors (see below), whose sum is σ = 212101960021028. Its totient is φ = 60600560006004.

The previous prime is 121201120011991. The next prime is 121201120012031. The reversal of 121201120012012 is 210210021102121.

It is a super-2 number, since 2×121201120012012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150140001498 + ... + 15150140001505.

Almost surely, 2^{121201120012012} is an apocalyptic number.

It is an amenable number.

121201120012012 is a deficient number, since it is larger than the sum of its proper divisors (90900840009016).

121201120012012 is a wasteful number, since it uses less digits than its factorization.

121201120012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30300280003007 (or 30300280003005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121201120012012 its reverse (210210021102121), we get a palindrome (331411141114133).

The spelling of 121201120012012 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty million, twelve thousand, twelve".