2012100021210 has 32 divisors (see below), whose sum is σ = 4910888191680. Its totient is φ = 527465767808.

The previous prime is 2012100021187. The next prime is 2012100021221. The reversal of 2012100021210 is 121200012102.

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, 568388067 + ... + 568391606.

It is an arithmetic number, because the mean of its divisors is an integer number (153465255990).

Almost surely, 2^{2012100021210} is an apocalyptic number.

2012100021210 is an abundant number, since it is smaller than the sum of its proper divisors (2898788170470).

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

2012100021210 is a wasteful number, since it uses less digits than its factorization.

2012100021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136779742.

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

Adding to 2012100021210 its reverse (121200012102), we get a palindrome (2133300033312).

The spelling of 2012100021210 in words is "two trillion, twelve billion, one hundred million, twenty-one thousand, two hundred ten".