245021310212 has 48 divisors (see below), whose sum is σ = 513944766720. Its totient is φ = 99933601152.

The previous prime is 245021310169. The next prime is 245021310241. The reversal of 245021310212 is 212013120542.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838787 + ... + 1092522.

It is an arithmetic number, because the mean of its divisors is an integer number (10707182640).

Almost surely, 2^245021310212 is an apocalyptic number.

It is an amenable number.

245021310212 is an abundant number, since it is smaller than the sum of its proper divisors (268923456508).

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

245021310212 is a wasteful number, since it uses less digits than its factorization.

245021310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931540 (or 1931538 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 245021310212 its reverse (212013120542), we get a palindrome (457034430754).

The spelling of 245021310212 in words is "two hundred forty-five billion, twenty-one million, three hundred ten thousand, two hundred twelve".