100120012020210 has 128 divisors (see below), whose sum is σ = 301319096117760. Its totient is φ = 20725652054016.

The previous prime is 100120012020191. The next prime is 100120012020211. The reversal of 100120012020210 is 12020210021001.

It is not an unprimeable number, because it can be changed into a prime (100120012020211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345836415 + ... + 346125794.

It is an arithmetic number, because the mean of its divisors is an integer number (2354055438420).

Almost surely, 2^{100120012020210} is an apocalyptic number.

100120012020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120012020210 is an abundant number, since it is smaller than the sum of its proper divisors (201199084097550).

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

100120012020210 is a wasteful number, since it uses less digits than its factorization.

100120012020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691962292.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100120012020210 its reverse (12020210021001), we get a palindrome (112140222041211).

The spelling of 100120012020210 in words is "one hundred trillion, one hundred twenty billion, twelve million, twenty thousand, two hundred ten".