312233051242421 has 24 divisors (see below), whose sum is σ = 319353536862360. Its totient is φ = 305254031757312.

The previous prime is 312233051242381. The next prime is 312233051242471. The reversal of 312233051242421 is 124242150332213.

It can be written as a sum of positive squares in 4 ways, for example, as 46102932127396 + 266130119115025 = 6789914^2 + 16313495^2 .

It is a de Polignac number, because none of the positive numbers 2^k-312233051242421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233051242471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2637645791 + ... + 2637764163.

It is an arithmetic number, because the mean of its divisors is an integer number (13306397369265).

Almost surely, 2^{312233051242421} is an apocalyptic number.

It is an amenable number.

312233051242421 is a deficient number, since it is larger than the sum of its proper divisors (7120485619939).

312233051242421 is a wasteful number, since it uses less digits than its factorization.

312233051242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122933 (or 122866 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 312233051242421 in words is "three hundred twelve trillion, two hundred thirty-three billion, fifty-one million, two hundred forty-two thousand, four hundred twenty-one".