210200120021250 has 60 divisors (see below), whose sum is σ = 569109818317326. Its totient is φ = 56053365336000.

The previous prime is 210200120021249. The next prime is 210200120021261. The reversal of 210200120021250 is 52120021002012.

210200120021250 is a `hidden beast` number, since 2 + 1 + 0 + 200 + 1 + 200 + 212 + 50 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 9880454335761 + 200319665685489 = 3143319^2 + 14153433^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 9342216307 + ... + 9342238806.

Almost surely, 2^{210200120021250} is an apocalyptic number.

210200120021250 is an abundant number, since it is smaller than the sum of its proper divisors (358909698296076).

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

210200120021250 is a wasteful number, since it uses less digits than its factorization.

210200120021250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18684455141 (or 18684455123 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 210200120021250 its reverse (52120021002012), we get a palindrome (262320141023262).

The spelling of 210200120021250 in words is "two hundred ten trillion, two hundred billion, one hundred twenty million, twenty-one thousand, two hundred fifty".