203112231212010 has 32 divisors (see below), whose sum is σ = 487470202954560. Its totient is φ = 54163167429248.

The previous prime is 203112231212003. The next prime is 203112231212159. The reversal of 203112231212010 is 10212132211302.

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, 12593581 + ... + 23765999.

It is an arithmetic number, because the mean of its divisors is an integer number (15233443842330).

Almost surely, 2^{203112231212010} is an apocalyptic number.

203112231212010 is an abundant number, since it is smaller than the sum of its proper divisors (284357971742550).

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

203112231212010 is a wasteful number, since it uses less digits than its factorization.

203112231212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778422.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203112231212010 its reverse (10212132211302), we get a palindrome (213324363423312).

The spelling of 203112231212010 in words is "two hundred three trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twelve thousand, ten".