1320003212241 has 16 divisors (see below), whose sum is σ = 2065796534144. Its totient is φ = 733901399424.

The previous prime is 1320003212239. The next prime is 1320003212249. The reversal of 1320003212241 is 1422123000231.

It is not a de Polignac number, because 1320003212241 - 2¹ = 1320003212239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1320003212249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849422140 + ... + 849423693.

It is an arithmetic number, because the mean of its divisors is an integer number (129112283384).

Almost surely, 2^{1320003212241} is an apocalyptic number.

It is an amenable number.

1320003212241 is a deficient number, since it is larger than the sum of its proper divisors (745793321903).

1320003212241 is a wasteful number, since it uses less digits than its factorization.

1320003212241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698845880.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1320003212241 its reverse (1422123000231), we get a palindrome (2742126212472).

The spelling of 1320003212241 in words is "one trillion, three hundred twenty billion, three million, two hundred twelve thousand, two hundred forty-one".