312012012103 has 8 divisors (see below), whose sum is σ = 347618799360. Its totient is φ = 277612234680.

The previous prime is 312012012089. The next prime is 312012012113. The reversal of 312012012103 is 301210210213.

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

It is not a de Polignac number, because 312012012103 - 2¹³ = 312012003911 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 (312012012113) 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, 301751913 + ... + 301752946.

It is an arithmetic number, because the mean of its divisors is an integer number (43452349920).

Almost surely, 2^312012012103 is an apocalyptic number.

312012012103 is a deficient number, since it is larger than the sum of its proper divisors (35606787257).

312012012103 is a wasteful number, since it uses less digits than its factorization.

312012012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603504917.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312012012103 its reverse (301210210213), we get a palindrome (613222222316).

The spelling of 312012012103 in words is "three hundred twelve billion, twelve million, twelve thousand, one hundred three".