312202231213421 has 8 divisors (see below), whose sum is σ = 319817239022400. Its totient is φ = 304587238606560.

The previous prime is 312202231213357. The next prime is 312202231213463. The reversal of 312202231213421 is 124312132202213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312202231213421 - 2⁶ = 312202231213357 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 (312202231213471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45469910 + ... + 51883688.

It is an arithmetic number, because the mean of its divisors is an integer number (39977154877800).

Almost surely, 2^{312202231213421} is an apocalyptic number.

It is an amenable number.

312202231213421 is a deficient number, since it is larger than the sum of its proper divisors (7615007808979).

312202231213421 is a wasteful number, since it uses less digits than its factorization.

312202231213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601059.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 312202231213421 its reverse (124312132202213), we get a palindrome (436514363415634).

The spelling of 312202231213421 in words is "three hundred twelve trillion, two hundred two billion, two hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-one".