21214133124000 has 96 divisors (see below), whose sum is σ = 69497500153536. Its totient is φ = 5657102163200.

The previous prime is 21214133123983. The next prime is 21214133124029. The reversal of 21214133124000 is 42133141212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 883910214 + ... + 883934213.

It is an arithmetic number, because the mean of its divisors is an integer number (723932293266).

Almost surely, 2^{21214133124000} is an apocalyptic number.

21214133124000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21214133124000 is an abundant number, since it is smaller than the sum of its proper divisors (48283367029536).

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

21214133124000 is a wasteful number, since it uses less digits than its factorization.

21214133124000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767844455 (or 1767844437 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21214133124000 its reverse (42133141212), we get a palindrome (21256266265212).

The spelling of 21214133124000 in words is "twenty-one trillion, two hundred fourteen billion, one hundred thirty-three million, one hundred twenty-four thousand".