1200120260120 has 32 divisors (see below), whose sum is σ = 2700824698800. Its totient is φ = 479949595008.

The previous prime is 1200120260081. The next prime is 1200120260147. The reversal of 1200120260120 is 210620210021.

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, 2880890 + ... + 3271049.

Almost surely, 2^{1200120260120} is an apocalyptic number.

1200120260120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200120260120 is an abundant number, since it is smaller than the sum of its proper divisors (1500704438680).

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

1200120260120 is a wasteful number, since it uses less digits than its factorization.

1200120260120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156827 (or 6156823 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1200120260120 its reverse (210620210021), we get a palindrome (1410740470141).

The spelling of 1200120260120 in words is "one trillion, two hundred billion, one hundred twenty million, two hundred sixty thousand, one hundred twenty".