1322200012021 has 16 divisors (see below), whose sum is σ = 1597875084288. Its totient is φ = 1070005622400.

The previous prime is 1322200011973. The next prime is 1322200012037. The reversal of 1322200012021 is 1202100022231.

It is a happy number.

It is not a de Polignac number, because 1322200012021 - 2¹³ = 1322200003829 is a prime.

It is a super-3 number, since 3×1322200012021³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322200011986 and 1322200012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322200015021) 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, 74297050 + ... + 74314843.

It is an arithmetic number, because the mean of its divisors is an integer number (99867192768).

Almost surely, 2^{1322200012021} is an apocalyptic number.

It is an amenable number.

1322200012021 is a deficient number, since it is larger than the sum of its proper divisors (275675072267).

1322200012021 is a wasteful number, since it uses less digits than its factorization.

1322200012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148611972.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1322200012021 its reverse (1202100022231), we get a palindrome (2524300034252).

The spelling of 1322200012021 in words is "one trillion, three hundred twenty-two billion, two hundred million, twelve thousand, twenty-one".