312120031001102 has 4 divisors (see below), whose sum is σ = 468180046501656. Its totient is φ = 156060015500550.

The previous prime is 312120031001041. The next prime is 312120031001173. The reversal of 312120031001102 is 201100130021213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78030007750274 + ... + 78030007750277.

It is an arithmetic number, because the mean of its divisors is an integer number (117045011625414).

Almost surely, 2^{312120031001102} is an apocalyptic number.

312120031001102 is a deficient number, since it is larger than the sum of its proper divisors (156060015500554).

312120031001102 is a wasteful number, since it uses less digits than its factorization.

312120031001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156060015500553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312120031001102 its reverse (201100130021213), we get a palindrome (513220161022315).

The spelling of 312120031001102 in words is "three hundred twelve trillion, one hundred twenty billion, thirty-one million, one thousand, one hundred two".