245510274012 has 12 divisors (see below), whose sum is σ = 572857306056. Its totient is φ = 81836758000.

The previous prime is 245510274001. The next prime is 245510274067. The reversal of 245510274012 is 210472015542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×245510274012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10229594739 + ... + 10229594762.

It is an arithmetic number, because the mean of its divisors is an integer number (47738108838).

Almost surely, 2^245510274012 is an apocalyptic number.

It is an amenable number.

245510274012 is an abundant number, since it is smaller than the sum of its proper divisors (327347032044).

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

245510274012 is a wasteful number, since it uses less digits than its factorization.

245510274012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20459189508 (or 20459189506 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 245510274012 its reverse (210472015542), we get a palindrome (455982289554).

The spelling of 245510274012 in words is "two hundred forty-five billion, five hundred ten million, two hundred seventy-four thousand, twelve".