1322121262602 has 16 divisors (see below), whose sum is σ = 3021991457472. Its totient is φ = 377748932160.

The previous prime is 1322121262529. The next prime is 1322121262621. The reversal of 1322121262602 is 2062621212231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322121262602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15739538799 + ... + 15739538882.

It is an arithmetic number, because the mean of its divisors is an integer number (188874466092).

Almost surely, 2^{1322121262602} is an apocalyptic number.

1322121262602 is an abundant number, since it is smaller than the sum of its proper divisors (1699870194870).

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

1322121262602 is a wasteful number, since it uses less digits than its factorization.

1322121262602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31479077693.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 1322121262602 its reverse (2062621212231), we get a palindrome (3384742474833).

The spelling of 1322121262602 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-one million, two hundred sixty-two thousand, six hundred two".