312101302220102 has 4 divisors (see below), whose sum is σ = 468151953330156. Its totient is φ = 156050651110050.

The previous prime is 312101302220041. The next prime is 312101302220117. The reversal of 312101302220102 is 201022203101213.

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, 78025325555024 + ... + 78025325555027.

It is an arithmetic number, because the mean of its divisors is an integer number (117037988332539).

Almost surely, 2^{312101302220102} is an apocalyptic number.

312101302220102 is a deficient number, since it is larger than the sum of its proper divisors (156050651110054).

312101302220102 is a wasteful number, since it uses less digits than its factorization.

312101302220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156050651110053.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312101302220102 its reverse (201022203101213), we get a palindrome (513123505321315).

The spelling of 312101302220102 in words is "three hundred twelve trillion, one hundred one billion, three hundred two million, two hundred twenty thousand, one hundred two".