1321532322102 has 24 divisors (see below), whose sum is σ = 2863387860840. Its totient is φ = 440500338720.

The previous prime is 1321532322067. The next prime is 1321532322113. The reversal of 1321532322102 is 2012232351231.

1321532322102 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 532 + 3 + 22 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68727 + ... + 1627202.

It is an arithmetic number, because the mean of its divisors is an integer number (119307827535).

Almost surely, 2^{1321532322102} is an apocalyptic number.

1321532322102 is an abundant number, since it is smaller than the sum of its proper divisors (1541855538738).

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

1321532322102 is a wasteful number, since it uses less digits than its factorization.

1321532322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739228 (or 1739225 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1321532322102 its reverse (2012232351231), we get a palindrome (3333764673333).

The spelling of 1321532322102 in words is "one trillion, three hundred twenty-one billion, five hundred thirty-two million, three hundred twenty-two thousand, one hundred two".