1320001233213 has 32 divisors (see below), whose sum is σ = 1914839942400. Its totient is φ = 803987306496.

The previous prime is 1320001233209. The next prime is 1320001233217. The reversal of 1320001233213 is 3123321000231.

It is an interprime number because it is at equal distance from previous prime (1320001233209) and next prime (1320001233217).

It is not a de Polignac number, because 1320001233213 - 2² = 1320001233209 is a prime.

It is a super-3 number, since 3×1320001233213³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320001233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320001233217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3782056 + ... + 4116302.

It is an arithmetic number, because the mean of its divisors is an integer number (59838748200).

Almost surely, 2^{1320001233213} is an apocalyptic number.

1320001233213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320001233213 is a deficient number, since it is larger than the sum of its proper divisors (594838709187).

1320001233213 is a wasteful number, since it uses less digits than its factorization.

1320001233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335301.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1320001233213 its reverse (3123321000231), we get a palindrome (4443322233444).

The spelling of 1320001233213 in words is "one trillion, three hundred twenty billion, one million, two hundred thirty-three thousand, two hundred thirteen".