120002100010 has 16 divisors (see below), whose sum is σ = 232619455656. Its totient is φ = 44308467648.

The previous prime is 120002099993. The next prime is 120002100013. The reversal of 120002100010 is 10001200021.

It can be written as a sum of positive squares in 4 ways, for example, as 91356876009 + 28645224001 = 302253^2 + 169249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120002099966 and 120002100002.

It is not an unprimeable number, because it can be changed into a prime (120002100013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461546409 + ... + 461546668.

Almost surely, 2^120002100010 is an apocalyptic number.

120002100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120002100010 is a deficient number, since it is larger than the sum of its proper divisors (112617355646).

120002100010 is a wasteful number, since it uses less digits than its factorization.

120002100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923093097.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 120002100010 its reverse (10001200021), we get a palindrome (130003300031).

The spelling of 120002100010 in words is "one hundred twenty billion, two million, one hundred thousand, ten".