1224121001322 has 16 divisors (see below), whose sum is σ = 2448347931360. Its totient is φ = 408022678992.

The previous prime is 1224121001303. The next prime is 1224121001333. The reversal of 1224121001322 is 2231001214221.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4263072 + ... + 4541147.

It is an arithmetic number, because the mean of its divisors is an integer number (153021745710).

Almost surely, 2^{1224121001322} is an apocalyptic number.

1224121001322 is an abundant number, since it is smaller than the sum of its proper divisors (1224226930038).

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

1224121001322 is a wasteful number, since it uses less digits than its factorization.

1224121001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827397.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1224121001322 its reverse (2231001214221), we get a palindrome (3455122215543).

The spelling of 1224121001322 in words is "one trillion, two hundred twenty-four billion, one hundred twenty-one million, one thousand, three hundred twenty-two".