2012021023210 has 64 divisors (see below), whose sum is σ = 4004651871360. Its totient is φ = 721752894720.

The previous prime is 2012021023171. The next prime is 2012021023211. The reversal of 2012021023210 is 123201202102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012021023211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1981452 + ... + 2819608.

It is an arithmetic number, because the mean of its divisors is an integer number (62572685490).

Almost surely, 2^{2012021023210} is an apocalyptic number.

2012021023210 is a deficient number, since it is larger than the sum of its proper divisors (1992630848150).

2012021023210 is a wasteful number, since it uses less digits than its factorization.

2012021023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838471.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012021023210 its reverse (123201202102), we get a palindrome (2135222225312).

The spelling of 2012021023210 in words is "two trillion, twelve billion, twenty-one million, twenty-three thousand, two hundred ten".