245310421021312 has 32 divisors (see below), whose sum is σ = 494195414562900. Its totient is φ = 121277062072320.

The previous prime is 245310421021277. The next prime is 245310421021313. The reversal of 245310421021312 is 213120124013542.

It can be written as a sum of positive squares in 2 ways, for example, as 232337342523456 + 12973078497856 = 15242616^2 + 3601816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (245310421021313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10766773239 + ... + 10766796022.

Almost surely, 2^{245310421021312} is an apocalyptic number.

It is an amenable number.

245310421021312 is an abundant number, since it is smaller than the sum of its proper divisors (248884993541588).

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

245310421021312 is an equidigital number, since it uses as much as digits as its factorization.

245310421021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533569364 (or 21533569352 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 245310421021312 its reverse (213120124013542), we get a palindrome (458430545034854).

The spelling of 245310421021312 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, twenty-one thousand, three hundred twelve".