121001001412 has 12 divisors (see below), whose sum is σ = 213807595456. Its totient is φ = 59913117000.

The previous prime is 121001001403. The next prime is 121001001431. The reversal of 121001001412 is 214100100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001001392 and 121001001401.

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, 146845464 + ... + 146846287.

Almost surely, 2^121001001412 is an apocalyptic number.

It is an amenable number.

121001001412 is a deficient number, since it is larger than the sum of its proper divisors (92806594044).

121001001412 is a wasteful number, since it uses less digits than its factorization.

121001001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293691858 (or 293691856 counting only the distinct ones).

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

Adding to 121001001412 its reverse (214100100121), we get a palindrome (335101101533).

The spelling of 121001001412 in words is "one hundred twenty-one billion, one million, one thousand, four hundred twelve".