1020312122003 has 8 divisors (see below), whose sum is σ = 1024254160800. Its totient is φ = 1016374322880.

The previous prime is 1020312121999. The next prime is 1020312122041. The reversal of 1020312122003 is 3002212130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020312122003 - 2² = 1020312121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020312122503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577250 + ... + 1540727.

It is an arithmetic number, because the mean of its divisors is an integer number (128031770100).

Almost surely, 2^{1020312122003} is an apocalyptic number.

1020312122003 is a deficient number, since it is larger than the sum of its proper divisors (3942038797).

1020312122003 is a wasteful number, since it uses less digits than its factorization.

1020312122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119837.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020312122003 its reverse (3002212130201), we get a palindrome (4022524252204).

The spelling of 1020312122003 in words is "one trillion, twenty billion, three hundred twelve million, one hundred twenty-two thousand, three".