210012121101010 has 32 divisors (see below), whose sum is σ = 380138458622400. Its totient is φ = 83534495674560.

The previous prime is 210012121101001. The next prime is 210012121101017. The reversal of 210012121101010 is 10101121210012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210012121101017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150041076 + ... + 151434304.

It is an arithmetic number, because the mean of its divisors is an integer number (11879326831950).

Almost surely, 2^{210012121101010} is an apocalyptic number.

210012121101010 is a deficient number, since it is larger than the sum of its proper divisors (170126337521390).

210012121101010 is a wasteful number, since it uses less digits than its factorization.

210012121101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477626.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210012121101010 its reverse (10101121210012), we get a palindrome (220113242311022).

The spelling of 210012121101010 in words is "two hundred ten trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, ten".