312201222043102 has 32 divisors (see below), whose sum is σ = 535865258363904. Its totient is φ = 133634782994400.

The previous prime is 312201222042991. The next prime is 312201222043103. The reversal of 312201222043102 is 201340222102213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201222043103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72782827 + ... + 76952857.

It is an arithmetic number, because the mean of its divisors is an integer number (16745789323872).

Almost surely, 2^{312201222043102} is an apocalyptic number.

312201222043102 is a deficient number, since it is larger than the sum of its proper divisors (223664036320802).

312201222043102 is a wasteful number, since it uses less digits than its factorization.

312201222043102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176664.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312201222043102 its reverse (201340222102213), we get a palindrome (513541444145315).

The spelling of 312201222043102 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, forty-three thousand, one hundred two".