1200120120010 has 32 divisors (see below), whose sum is σ = 2469095943552. Its totient is φ = 411423520320.

The previous prime is 1200120120007. The next prime is 1200120120037. The reversal of 1200120120010 is 100210210021.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 332892 + ... + 1584631.

It is an arithmetic number, because the mean of its divisors is an integer number (77159248236).

Almost surely, 2^{1200120120010} is an apocalyptic number.

1200120120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120120010 is an abundant number, since it is smaller than the sum of its proper divisors (1268975823542).

1200120120010 is a wasteful number, since it uses less digits than its factorization.

1200120120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926478.

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

Adding to 1200120120010 its reverse (100210210021), we get a palindrome (1300330330031).

The spelling of 1200120120010 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred twenty thousand, ten".