245304511212 has 192 divisors, whose sum is σ = 621511833600. Its totient is φ = 75063905280.

The previous prime is 245304511211. The next prime is 245304511229. The reversal of 245304511212 is 212115403542.

It is a self number, because there is not a number n which added to its sum of digits gives 245304511212.

It is not an unprimeable number, because it can be changed into a prime (245304511211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453427662 + ... + 453428202.

It is an arithmetic number, because the mean of its divisors is an integer number (3237040800).

Almost surely, 2^245304511212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245304511212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310755916800).

245304511212 is an abundant number, since it is smaller than the sum of its proper divisors (376207322388).

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

245304511212 is a wasteful number, since it uses less digits than its factorization.

245304511212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 245304511212 its reverse (212115403542), we get a palindrome (457419914754).

The spelling of 245304511212 in words is "two hundred forty-five billion, three hundred four million, five hundred eleven thousand, two hundred twelve".