312001124213420 has 24 divisors (see below), whose sum is σ = 660361434561024. Its totient is φ = 123817768978176.

The previous prime is 312001124213419. The next prime is 312001124213479. The reversal of 312001124213420 is 24312421100213.

It is a happy number.

It is a super-3 number, since 3×312001124213420³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312001124213420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61417541597 + ... + 61417546676.

It is an arithmetic number, because the mean of its divisors is an integer number (27515059773376).

Almost surely, 2^{312001124213420} is an apocalyptic number.

It is an amenable number.

312001124213420 is an abundant number, since it is smaller than the sum of its proper divisors (348360310347604).

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

312001124213420 is a wasteful number, since it uses less digits than its factorization.

312001124213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122835088409 (or 122835088407 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312001124213420 its reverse (24312421100213), we get a palindrome (336313545313633).

It can be divided in two parts, 312001 and 124213420, that added together give a palindrome (124525421).

The spelling of 312001124213420 in words is "three hundred twelve trillion, one billion, one hundred twenty-four million, two hundred thirteen thousand, four hundred twenty".