1421232220332 has 36 divisors (see below), whose sum is σ = 3592863038856. Its totient is φ = 473704009920.

The previous prime is 1421232220297. The next prime is 1421232220339. The reversal of 1421232220332 is 2330222321241.

1421232220332 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 2 + 322 + 2 + 0 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1421232220296 and 1421232220305.

It is not an unprimeable number, because it can be changed into a prime (1421232220339) 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 11 ways as a sum of consecutive naturals, for example, 1236169 + ... + 2090592.

Almost surely, 2^{1421232220332} is an apocalyptic number.

1421232220332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421232220332 is an abundant number, since it is smaller than the sum of its proper divisors (2171630818524).

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

1421232220332 is a wasteful number, since it uses less digits than its factorization.

1421232220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338638 (or 3338633 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1421232220332 its reverse (2330222321241), we get a palindrome (3751454541573).

The spelling of 1421232220332 in words is "one trillion, four hundred twenty-one billion, two hundred thirty-two million, two hundred twenty thousand, three hundred thirty-two".