120001200121010 has 32 divisors (see below), whose sum is σ = 232807913856000. Its totient is φ = 44271906314688.

The previous prime is 120001200121007. The next prime is 120001200121037. The reversal of 120001200121010 is 10121002100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001200120982 and 120001200121000.

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, 377227010 + ... + 377544989.

It is an arithmetic number, because the mean of its divisors is an integer number (7275247308000).

Almost surely, 2^{120001200121010} is an apocalyptic number.

120001200121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001200121010 is a deficient number, since it is larger than the sum of its proper divisors (112806713734990).

120001200121010 is a wasteful number, since it uses less digits than its factorization.

120001200121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754773242.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001200121010 its reverse (10121002100021), we get a palindrome (130122202221031).

The spelling of 120001200121010 in words is "one hundred twenty trillion, one billion, two hundred million, one hundred twenty-one thousand, ten".