2012021020010 has 16 divisors (see below), whose sum is σ = 3621657672072. Its totient is φ = 804804000000.

The previous prime is 2012021020007. The next prime is 2012021020027. The reversal of 2012021020010 is 100201202102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1460029972489 + 551991047521 = 1208317^2 + 742961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012021019973 and 2012021020000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874510 + ... + 2745510.

Almost surely, 2^{2012021020010} is an apocalyptic number.

2012021020010 is a deficient number, since it is larger than the sum of its proper divisors (1609636652062).

2012021020010 is a wasteful number, since it uses less digits than its factorization.

2012021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102009.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012021020010 its reverse (100201202102), we get a palindrome (2112222222112).

The spelling of 2012021020010 in words is "two trillion, twelve billion, twenty-one million, twenty thousand, ten".