1001213313213 has 16 divisors (see below), whose sum is σ = 1339989868800. Its totient is φ = 664956432960.

The previous prime is 1001213313161. The next prime is 1001213313239. The reversal of 1001213313213 is 3123133121001.

It is a happy number.

It is not a de Polignac number, because 1001213313213 - 2²² = 1001209118909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001213313213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001213313313) 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, 27315583 + ... + 27352211.

It is an arithmetic number, because the mean of its divisors is an integer number (83749366800).

Almost surely, 2^{1001213313213} is an apocalyptic number.

It is an amenable number.

1001213313213 is a deficient number, since it is larger than the sum of its proper divisors (338776555587).

1001213313213 is a wasteful number, since it uses less digits than its factorization.

1001213313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70772.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1001213313213 its reverse (3123133121001), we get a palindrome (4124346434214).

The spelling of 1001213313213 in words is "one trillion, one billion, two hundred thirteen million, three hundred thirteen thousand, two hundred thirteen".