1320121021132 has 12 divisors (see below), whose sum is σ = 2314215624280. Its totient is φ = 658916557056.

The previous prime is 1320121021127. The next prime is 1320121021171. The reversal of 1320121021132 is 2311201210231.

It is a super-2 number, since 2×1320121021132² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285985782 + ... + 285990397.

Almost surely, 2^{1320121021132} is an apocalyptic number.

It is an amenable number.

1320121021132 is a deficient number, since it is larger than the sum of its proper divisors (994094603148).

1320121021132 is a wasteful number, since it uses less digits than its factorization.

1320121021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571976760 (or 571976758 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1320121021132 its reverse (2311201210231), we get a palindrome (3631322231363).

The spelling of 1320121021132 in words is "one trillion, three hundred twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred thirty-two".