2120012100210 has 128 divisors (see below), whose sum is σ = 5650652482560. Its totient is φ = 506685763584.

The previous prime is 2120012100191. The next prime is 2120012100223. The reversal of 2120012100210 is 120012100212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 308305 + ... + 2082084.

It is an arithmetic number, because the mean of its divisors is an integer number (44145722520).

Almost surely, 2^{2120012100210} is an apocalyptic number.

2120012100210 is an abundant number, since it is smaller than the sum of its proper divisors (3530640382350).

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

2120012100210 is a wasteful number, since it uses less digits than its factorization.

2120012100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390500.

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

Adding to 2120012100210 its reverse (120012100212), we get a palindrome (2240024200422).

It can be divided in two parts, 2120012 and 100210, that added together give a palindrome (2220222).

The spelling of 2120012100210 in words is "two trillion, one hundred twenty billion, twelve million, one hundred thousand, two hundred ten".