1332412200021 has 16 divisors (see below), whose sum is σ = 2031872466944. Its totient is φ = 760804624944.

The previous prime is 1332412200001. The next prime is 1332412200061. The reversal of 1332412200021 is 1200022142331.

It is not a de Polignac number, because 1332412200021 - 2¹⁸ = 1332411937877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332412200001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23878765 + ... + 23934498.

It is an arithmetic number, because the mean of its divisors is an integer number (126992029184).

Almost surely, 2^{1332412200021} is an apocalyptic number.

It is an amenable number.

1332412200021 is a deficient number, since it is larger than the sum of its proper divisors (699460266923).

1332412200021 is a wasteful number, since it uses less digits than its factorization.

1332412200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47814600.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1332412200021 its reverse (1200022142331), we get a palindrome (2532434342352).

The spelling of 1332412200021 in words is "one trillion, three hundred thirty-two billion, four hundred twelve million, two hundred thousand, twenty-one".