1200120010012 has 24 divisors (see below), whose sum is σ = 2618443658880. Its totient is φ = 467579224560.

The previous prime is 1200120009973. The next prime is 1200120010027. The reversal of 1200120010012 is 2100100210021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948246462 + ... + 1948247077.

It is an arithmetic number, because the mean of its divisors is an integer number (109101819120).

Almost surely, 2^{1200120010012} is an apocalyptic number.

It is an amenable number.

1200120010012 is an abundant number, since it is smaller than the sum of its proper divisors (1418323648868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200120010012 is a wasteful number, since it uses less digits than its factorization.

1200120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896493561 (or 3896493559 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1200120010012 its reverse (2100100210021), we get a palindrome (3300220220033).

The spelling of 1200120010012 in words is "one trillion, two hundred billion, one hundred twenty million, ten thousand, twelve".