312102023012 has 24 divisors (see below), whose sum is σ = 588560741496. Its totient is φ = 143956850688.

The previous prime is 312102022957. The next prime is 312102023017. The reversal of 312102023012 is 210320201213.

It can be written as a sum of positive squares in 4 ways, for example, as 30869084416 + 281232938596 = 175696^2 + 530314^2 .

It is not an unprimeable number, because it can be changed into a prime (312102023017) 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, 1796093 + ... + 1962180.

It is an arithmetic number, because the mean of its divisors is an integer number (24523364229).

Almost surely, 2^312102023012 is an apocalyptic number.

It is an amenable number.

312102023012 is a deficient number, since it is larger than the sum of its proper divisors (276458718484).

312102023012 is a wasteful number, since it uses less digits than its factorization.

312102023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759887 (or 3759885 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312102023012 its reverse (210320201213), we get a palindrome (522422224225).

The spelling of 312102023012 in words is "three hundred twelve billion, one hundred two million, twenty-three thousand, twelve".