1210020320003 has 4 divisors (see below), whose sum is σ = 1320022167288. Its totient is φ = 1100018472720.

The previous prime is 1210020319987. The next prime is 1210020320017. The reversal of 1210020320003 is 3000230200121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210020320003 - 2⁴ = 1210020319987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210020320003.

It is not an unprimeable number, because it can be changed into a prime (1210020320023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55000923626 + ... + 55000923647.

It is an arithmetic number, because the mean of its divisors is an integer number (330005541822).

Almost surely, 2^{1210020320003} is an apocalyptic number.

1210020320003 is a deficient number, since it is larger than the sum of its proper divisors (110001847285).

1210020320003 is a wasteful number, since it uses less digits than its factorization.

1210020320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110001847284.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1210020320003 its reverse (3000230200121), we get a palindrome (4210250520124).

The spelling of 1210020320003 in words is "one trillion, two hundred ten billion, twenty million, three hundred twenty thousand, three".