2051421332000 has 48 divisors (see below), whose sum is σ = 5040342222552. Its totient is φ = 820568531200.

The previous prime is 2051421331979. The next prime is 2051421332063. The reversal of 2051421332000 is 2331241502.

It can be written as a sum of positive squares in 4 ways, for example, as 273817772176 + 1777603559824 = 523276^2 + 1333268^2 .

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, 256423667 + ... + 256431666.

Almost surely, 2^{2051421332000} is an apocalyptic number.

2051421332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051421332000 is an abundant number, since it is smaller than the sum of its proper divisors (2988920890552).

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

2051421332000 is an equidigital number, since it uses as much as digits as its factorization.

2051421332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512855358 (or 512855340 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 2051421332000 its reverse (2331241502), we get a palindrome (2053752573502).

The spelling of 2051421332000 in words is "two trillion, fifty-one billion, four hundred twenty-one million, three hundred thirty-two thousand".