312112102 has 8 divisors (see below), whose sum is σ = 472311576. Its totient is φ = 154674912.

The previous prime is 312112081. The next prime is 312112109. The reversal of 312112102 is 201211213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112109) 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, 690288 + ... + 690739.

It is an arithmetic number, because the mean of its divisors is an integer number (59038947).

Almost surely, 2^312112102 is an apocalyptic number.

312112102 is a deficient number, since it is larger than the sum of its proper divisors (160199474).

312112102 is a wasteful number, since it uses less digits than its factorization.

312112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381142.

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

The square root of 312112102 is about 17666.6947106696. The cubic root of 312112102 is about 678.3235099839.

Adding to 312112102 its reverse (201211213), we get a palindrome (513323315).

The spelling of 312112102 in words is "three hundred twelve million, one hundred twelve thousand, one hundred two".