201210122404 has 6 divisors (see below), whose sum is σ = 352117714214. Its totient is φ = 100605061200.

The previous prime is 201210122389. The next prime is 201210122411. The reversal of 201210122404 is 404221012102.

It can be written as a sum of positive squares in only one way, i.e., 151258766400 + 49951356004 = 388920^2 + 223498^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25151265297 + ... + 25151265304.

Almost surely, 2^201210122404 is an apocalyptic number.

It is an amenable number.

201210122404 is a deficient number, since it is larger than the sum of its proper divisors (150907591810).

201210122404 is a wasteful number, since it uses less digits than its factorization.

201210122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302530605 (or 50302530603 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201210122404 its reverse (404221012102), we get a palindrome (605431134506).

The spelling of 201210122404 in words is "two hundred one billion, two hundred ten million, one hundred twenty-two thousand, four hundred four".