20212021012000 has 48 divisors (see below), whose sum is σ = 49660935636312. Its totient is φ = 8084808403200.

The previous prime is 20212021011991. The next prime is 20212021012019. The reversal of 20212021012000 is 21012021202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1637058834576 + 18574962177424 = 1279476^2 + 4309868^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526498627 + ... + 2526506626.

Almost surely, 2^{20212021012000} is an apocalyptic number.

20212021012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212021012000 is an abundant number, since it is smaller than the sum of its proper divisors (29448914624312).

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

20212021012000 is an equidigital number, since it uses as much as digits as its factorization.

20212021012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053005278 (or 5053005260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20212021012000 its reverse (21012021202), we get a palindrome (20233033033202).

The spelling of 20212021012000 in words is "twenty trillion, two hundred twelve billion, twenty-one million, twelve thousand".