1322021223123 has 8 divisors (see below), whose sum is σ = 1762700288448. Its totient is φ = 881344819944.

The previous prime is 1322021223091. The next prime is 1322021223143. The reversal of 1322021223123 is 3213221202231.

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

It is not a de Polignac number, because 1322021223123 - 2⁵ = 1322021223091 is a prime.

It is a super-2 number, since 2×1322021223123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322021223093 and 1322021223102.

It is not an unprimeable number, because it can be changed into a prime (1322021223143) 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, 1497336 + ... + 2210442.

It is an arithmetic number, because the mean of its divisors is an integer number (220337536056).

Almost surely, 2^{1322021223123} is an apocalyptic number.

1322021223123 is a deficient number, since it is larger than the sum of its proper divisors (440679065325).

1322021223123 is an equidigital number, since it uses as much as digits as its factorization.

1322021223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331073.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322021223123 its reverse (3213221202231), we get a palindrome (4535242425354).

The spelling of 1322021223123 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred twenty-three thousand, one hundred twenty-three".