312221440133334 has 12 divisors (see below), whose sum is σ = 676479786955596. Its totient is φ = 104073813377772.

The previous prime is 312221440133327. The next prime is 312221440133377. The reversal of 312221440133334 is 433331044122213.

312221440133334 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 214 + 401 + 3 + 3 + 3 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8672817781464 + ... + 8672817781499.

It is an arithmetic number, because the mean of its divisors is an integer number (56373315579633).

Almost surely, 2^{312221440133334} is an apocalyptic number.

312221440133334 is an abundant number, since it is smaller than the sum of its proper divisors (364258346822262).

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

312221440133334 is a wasteful number, since it uses less digits than its factorization.

312221440133334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17345635562971 (or 17345635562968 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 312221440133334 its reverse (433331044122213), we get a palindrome (745552484255547).

The spelling of 312221440133334 in words is "three hundred twelve trillion, two hundred twenty-one billion, four hundred forty million, one hundred thirty-three thousand, three hundred thirty-four".