1200130121012 has 48 divisors (see below), whose sum is σ = 2145972554880. Its totient is φ = 587132001792.

The previous prime is 1200130120997. The next prime is 1200130121051. The reversal of 1200130121012 is 2101210310021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65077289 + ... + 65095727.

It is an arithmetic number, because the mean of its divisors is an integer number (44707761560).

Almost surely, 2^{1200130121012} is an apocalyptic number.

It is an amenable number.

1200130121012 is a deficient number, since it is larger than the sum of its proper divisors (945842433868).

1200130121012 is a wasteful number, since it uses less digits than its factorization.

1200130121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280 (or 20278 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1200130121012 its reverse (2101210310021), we get a palindrome (3301340431033).

The spelling of 1200130121012 in words is "one trillion, two hundred billion, one hundred thirty million, one hundred twenty-one thousand, twelve".