312404401222302 has 24 divisors (see below), whose sum is σ = 638385453679176. Its totient is φ = 101919166351888.

The previous prime is 312404401222297. The next prime is 312404401222321. The reversal of 312404401222302 is 203222104404213.

It is a self number, because there is not a number n which added to its sum of digits gives 312404401222302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11785274253 + ... + 11785300760.

It is an arithmetic number, because the mean of its divisors is an integer number (26599393903299).

Almost surely, 2^{312404401222302} is an apocalyptic number.

312404401222302 is an abundant number, since it is smaller than the sum of its proper divisors (325981052456874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312404401222302 is a wasteful number, since it uses less digits than its factorization.

312404401222302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23570575112 (or 23570575065 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312404401222302 its reverse (203222104404213), we get a palindrome (515626505626515).

The spelling of 312404401222302 in words is "three hundred twelve trillion, four hundred four billion, four hundred one million, two hundred twenty-two thousand, three hundred two".