1322000012021 has 8 divisors (see below), whose sum is σ = 1444941460704. Its totient is φ = 1202094154800.

The previous prime is 1322000011999. The next prime is 1322000012023. The reversal of 1322000012021 is 1202100002231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322000012021 - 2¹⁰ = 1322000010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322000011987 and 1322000012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322000012023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758896955 + ... + 758898696.

It is an arithmetic number, because the mean of its divisors is an integer number (180617682588).

Almost surely, 2^{1322000012021} is an apocalyptic number.

It is an amenable number.

1322000012021 is a deficient number, since it is larger than the sum of its proper divisors (122941448683).

1322000012021 is a wasteful number, since it uses less digits than its factorization.

1322000012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517795731.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1322000012021 its reverse (1202100002231), we get a palindrome (2524100014252).

The spelling of 1322000012021 in words is "one trillion, three hundred twenty-two billion, twelve thousand, twenty-one".