1210200002000 has 80 divisors (see below), whose sum is σ = 3192287626944. Its totient is φ = 440072720000.

The previous prime is 1210200001961. The next prime is 1210200002023. The reversal of 1210200002000 is 2000020121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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, 27482546 + ... + 27526545.

Almost surely, 2^{1210200002000} is an apocalyptic number.

1210200002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210200002000 is an abundant number, since it is smaller than the sum of its proper divisors (1982087624944).

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

1210200002000 is a wasteful number, since it uses less digits than its factorization.

1210200002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55009125 (or 55009109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1210200002000 its reverse (2000020121), we get a palindrome (1212200022121).

The spelling of 1210200002000 in words is "one trillion, two hundred ten billion, two hundred million, two thousand".