1012033031129 has 4 divisors (see below), whose sum is σ = 1019420133684. Its totient is φ = 1004645928576.

The previous prime is 1012033031081. The next prime is 1012033031137. The reversal of 1012033031129 is 9211303302101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 405234096400 + 606798934729 = 636580^2 + 778973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012033031129 - 2³² = 1007738063833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012033031098 and 1012033031107.

It is not an unprimeable number, because it can be changed into a prime (1012033031159) 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, 3693551072 + ... + 3693551345.

It is an arithmetic number, because the mean of its divisors is an integer number (254855033421).

Almost surely, 2^{1012033031129} is an apocalyptic number.

It is an amenable number.

1012033031129 is a deficient number, since it is larger than the sum of its proper divisors (7387102555).

1012033031129 is an equidigital number, since it uses as much as digits as its factorization.

1012033031129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387102554.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 1012033031129 in words is "one trillion, twelve billion, thirty-three million, thirty-one thousand, one hundred twenty-nine".