120021210000010 has 32 divisors (see below), whose sum is σ = 237763658515392. Its totient is φ = 43257845594880.

The previous prime is 120021209999983. The next prime is 120021210000011. The reversal of 120021210000010 is 10000012120021.

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

It is not an unprimeable number, because it can be changed into a prime (120021210000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4827872124 + ... + 4827896983.

It is an arithmetic number, because the mean of its divisors is an integer number (7430114328606).

Almost surely, 2^{120021210000010} is an apocalyptic number.

120021210000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021210000010 is a deficient number, since it is larger than the sum of its proper divisors (117742448515382).

120021210000010 is a wasteful number, since it uses less digits than its factorization.

120021210000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655769238.

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

Adding to 120021210000010 its reverse (10000012120021), we get a palindrome (130021222120031).

The spelling of 120021210000010 in words is "one hundred twenty trillion, twenty-one billion, two hundred ten million, ten", and thus it is an aban number.