213021302000 has 80 divisors (see below), whose sum is σ = 554707538112. Its totient is φ = 78654009600.

The previous prime is 213021301963. The next prime is 213021302069. The reversal of 213021302000 is 203120312.

It is a happy number.

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

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, 4070564 + ... + 4122563.

Almost surely, 2^213021302000 is an apocalyptic number.

213021302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213021302000 is an abundant number, since it is smaller than the sum of its proper divisors (341686236112).

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

213021302000 is a wasteful number, since it uses less digits than its factorization.

213021302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193163 (or 8193147 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 213021302000 its reverse (203120312), we get a palindrome (213224422312).

The spelling of 213021302000 in words is "two hundred thirteen billion, twenty-one million, three hundred two thousand".