213203012121010 has 32 divisors (see below), whose sum is σ = 388026715538880. Its totient is φ = 84337242648768.

The previous prime is 213203012120971. The next prime is 213203012121013. The reversal of 213203012121010 is 10121210302312.

It is not an unprimeable number, because it can be changed into a prime (213203012121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186427152 + ... + 187567291.

It is an arithmetic number, because the mean of its divisors is an integer number (12125834860590).

Almost surely, 2^{213203012121010} is an apocalyptic number.

213203012121010 is a deficient number, since it is larger than the sum of its proper divisors (174823703417870).

213203012121010 is a wasteful number, since it uses less digits than its factorization.

213203012121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373995082.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213203012121010 its reverse (10121210302312), we get a palindrome (223324222423322).

The spelling of 213203012121010 in words is "two hundred thirteen trillion, two hundred three billion, twelve million, one hundred twenty-one thousand, ten".