21213119962 has 32 divisors (see below), whose sum is σ = 35526746880. Its totient is φ = 9440686080.

The previous prime is 21213119957. The next prime is 21213119969. The reversal of 21213119962 is 26991131212.

It is not an unprimeable number, because it can be changed into a prime (21213119969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344287 + ... + 401197.

It is an arithmetic number, because the mean of its divisors is an integer number (1110210840).

Almost surely, 2^21213119962 is an apocalyptic number.

21213119962 is a deficient number, since it is larger than the sum of its proper divisors (14313626918).

21213119962 is a wasteful number, since it uses less digits than its factorization.

21213119962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57526.

The product of its digits is 11664, while the sum is 37.

The spelling of 21213119962 in words is "twenty-one billion, two hundred thirteen million, one hundred nineteen thousand, nine hundred sixty-two".