210231134210204 has 12 divisors (see below), whose sum is σ = 367904624725344. Its totient is φ = 105115527145824.

The previous prime is 210231134210203. The next prime is 210231134210221. The reversal of 210231134210204 is 402012431132012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210231134210203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4035677 + ... + 20898539.

It is an arithmetic number, because the mean of its divisors is an integer number (30658718727112).

Almost surely, 2^{210231134210204} is an apocalyptic number.

It is an amenable number.

210231134210204 is a deficient number, since it is larger than the sum of its proper divisors (157673490515140).

210231134210204 is a wasteful number, since it uses less digits than its factorization.

210231134210204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19979644 (or 19979642 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 210231134210204 its reverse (402012431132012), we get a palindrome (612243565342216).

The spelling of 210231134210204 in words is "two hundred ten trillion, two hundred thirty-one billion, one hundred thirty-four million, two hundred ten thousand, two hundred four".