1200210000120 has 48 divisors (see below), whose sum is σ = 3900682501560. Its totient is φ = 320055999936.

The previous prime is 1200210000089. The next prime is 1200210000133. The reversal of 1200210000120 is 210000120021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666957974 + ... + 1666958693.

Almost surely, 2^{1200210000120} is an apocalyptic number.

1200210000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200210000120 is an abundant number, since it is smaller than the sum of its proper divisors (2700472501440).

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

1200210000120 is a wasteful number, since it uses less digits than its factorization.

1200210000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333916684 (or 3333916677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200210000120 its reverse (210000120021), we get a palindrome (1410210120141).

The spelling of 1200210000120 in words is "one trillion, two hundred billion, two hundred ten million, one hundred twenty", and thus it is an aban number.