312422221515452 has 12 divisors (see below), whose sum is σ = 546765476274696. Its totient is φ = 156203514008400.

The previous prime is 312422221515449. The next prime is 312422221515479. The reversal of 312422221515452 is 254515122224213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899094799 + ... + 1899259302.

It is an arithmetic number, because the mean of its divisors is an integer number (45563789689558).

Almost surely, 2^{312422221515452} is an apocalyptic number.

It is an amenable number.

312422221515452 is a deficient number, since it is larger than the sum of its proper divisors (234343254759244).

312422221515452 is a wasteful number, since it uses less digits than its factorization.

312422221515452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798374668 (or 3798374666 counting only the distinct ones).

The product of its digits is 384000, while the sum is 41.

Adding to 312422221515452 its reverse (254515122224213), we get a palindrome (566937343739665).

The spelling of 312422221515452 in words is "three hundred twelve trillion, four hundred twenty-two billion, two hundred twenty-one million, five hundred fifteen thousand, four hundred fifty-two".