1012121132303 has 4 divisors (see below), whose sum is σ = 1012146096480. Its totient is φ = 1012096168128.

The previous prime is 1012121132291. The next prime is 1012121132311. The reversal of 1012121132303 is 3032311212101.

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 1012121132303 - 2⁴ = 1012121132287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121132903) 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, 12421175 + ... + 12502392.

It is an arithmetic number, because the mean of its divisors is an integer number (253036524120).

Almost surely, 2^{1012121132303} is an apocalyptic number.

1012121132303 is a deficient number, since it is larger than the sum of its proper divisors (24964177).

1012121132303 is an equidigital number, since it uses as much as digits as its factorization.

1012121132303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964176.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012121132303 its reverse (3032311212101), we get a palindrome (4044432344404).

The spelling of 1012121132303 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred three".