10312012321129 has 4 divisors (see below), whose sum is σ = 10312069474260. Its totient is φ = 10311955168000.

The previous prime is 10312012321007. The next prime is 10312012321133. The reversal of 10312012321129 is 92112321021301.

10312012321129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4479656910400 + 5832355410729 = 2116520^2 + 2415027^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312012321129 - 2¹³ = 10312012312937 is a prime.

It is a super-2 number, since 2×10312012321129² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10312012321097 and 10312012321106.

It is not an unprimeable number, because it can be changed into a prime (10312112321129) 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, 28305064 + ... + 28667065.

It is an arithmetic number, because the mean of its divisors is an integer number (2578017368565).

Almost surely, 2^{10312012321129} is an apocalyptic number.

It is an amenable number.

10312012321129 is a deficient number, since it is larger than the sum of its proper divisors (57153131).

10312012321129 is an equidigital number, since it uses as much as digits as its factorization.

10312012321129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57153130.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 10312012321129 in words is "ten trillion, three hundred twelve billion, twelve million, three hundred twenty-one thousand, one hundred twenty-nine".