21214050302000 has 80 divisors (see below), whose sum is σ = 51803451090144. Its totient is φ = 8401604000000.

The previous prime is 21214050301979. The next prime is 21214050302009. The reversal of 21214050302000 is 20305041212.

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 (20).

It is not an unprimeable number, because it can be changed into a prime (21214050302009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 52308026 + ... + 52712025.

Almost surely, 2^{21214050302000} is an apocalyptic number.

21214050302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21214050302000 is an abundant number, since it is smaller than the sum of its proper divisors (30589400788144).

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

21214050302000 is a wasteful number, since it uses less digits than its factorization.

21214050302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105020175 (or 105020159 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 21214050302000 its reverse (20305041212), we get a palindrome (21234355343212).

The spelling of 21214050302000 in words is "twenty-one trillion, two hundred fourteen billion, fifty million, three hundred two thousand".