1003012002121 has 8 divisors (see below), whose sum is σ = 1022097958920. Its totient is φ = 983932015872.

The previous prime is 1003012002101. The next prime is 1003012002133. The reversal of 1003012002121 is 1212002103001.

It can be written as a sum of positive squares in 4 ways, for example, as 22436744521 + 980575257600 = 149789^2 + 990240^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003012002121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003012002101) 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, 1152726 + ... + 1826143.

It is an arithmetic number, because the mean of its divisors is an integer number (127762244865).

Almost surely, 2^{1003012002121} is an apocalyptic number.

It is an amenable number.

1003012002121 is a deficient number, since it is larger than the sum of its proper divisors (19085956799).

1003012002121 is an equidigital number, since it uses as much as digits as its factorization.

1003012002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985275.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1003012002121 its reverse (1212002103001), we get a palindrome (2215014105122).

The spelling of 1003012002121 in words is "one trillion, three billion, twelve million, two thousand, one hundred twenty-one".