1020003012001 has 8 divisors (see below), whose sum is σ = 1047623822784. Its totient is φ = 992384999280.

The previous prime is 1020003011999. The next prime is 1020003012137. The reversal of 1020003012001 is 1002103000201.

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 1020003012001 - 2¹ = 1020003011999 is a prime.

It is a super-2 number, since 2×1020003012001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020003019001) 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, 50166 + ... + 1429168.

It is an arithmetic number, because the mean of its divisors is an integer number (130952977848).

Almost surely, 2^{1020003012001} is an apocalyptic number.

It is an amenable number.

1020003012001 is a deficient number, since it is larger than the sum of its proper divisors (27620810783).

1020003012001 is a wasteful number, since it uses less digits than its factorization.

1020003012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399031.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1020003012001 its reverse (1002103000201), we get a palindrome (2022106012202).

The spelling of 1020003012001 in words is "one trillion, twenty billion, three million, twelve thousand, one".