312203021020044 has 144 divisors (see below), whose sum is σ = 930109241365248. Its totient is φ = 79762321584000.

The previous prime is 312203021020031. The next prime is 312203021020057. The reversal of 312203021020044 is 440020120302213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312203021020031) and next prime (312203021020057).

It is a junction number, because it is equal to n+sod(n) for n = 312203021019996 and 312203021020023.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251155002 + ... + 252395009.

Almost surely, 2^{312203021020044} is an apocalyptic number.

It is an amenable number.

312203021020044 is an abundant number, since it is smaller than the sum of its proper divisors (617906220345204).

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

312203021020044 is a wasteful number, since it uses less digits than its factorization.

312203021020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503550108 (or 503550095 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312203021020044 its reverse (440020120302213), we get a palindrome (752223141322257).

The spelling of 312203021020044 in words is "three hundred twelve trillion, two hundred three billion, twenty-one million, twenty thousand, forty-four".