1213031203001 has 16 divisors (see below), whose sum is σ = 1269896984064. Its totient is φ = 1156512006144.

The previous prime is 1213031202967. The next prime is 1213031203019. The reversal of 1213031203001 is 1003021303121.

It is a cyclic number.

It is not a de Polignac number, because 1213031203001 - 2¹⁴ = 1213031186617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213031203061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19836665 + ... + 19897721.

It is an arithmetic number, because the mean of its divisors is an integer number (79368561504).

Almost surely, 2^{1213031203001} is an apocalyptic number.

It is an amenable number.

1213031203001 is a deficient number, since it is larger than the sum of its proper divisors (56865781063).

1213031203001 is a wasteful number, since it uses less digits than its factorization.

1213031203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63880.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1213031203001 its reverse (1003021303121), we get a palindrome (2216052506122).

The spelling of 1213031203001 in words is "one trillion, two hundred thirteen billion, thirty-one million, two hundred three thousand, one".