253453215012 has 96 divisors (see below), whose sum is σ = 620953966080. Its totient is φ = 80376852480.

The previous prime is 253453215011. The next prime is 253453215109. The reversal of 253453215012 is 210512354352.

It is not an unprimeable number, because it can be changed into a prime (253453215011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6385564 + ... + 6425132.

It is an arithmetic number, because the mean of its divisors is an integer number (6468270480).

Almost surely, 2^253453215012 is an apocalyptic number.

It is an amenable number.

253453215012 is an abundant number, since it is smaller than the sum of its proper divisors (367500751068).

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

253453215012 is a wasteful number, since it uses less digits than its factorization.

253453215012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941 (or 39939 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 253453215012 its reverse (210512354352), we get a palindrome (463965569364).

The spelling of 253453215012 in words is "two hundred fifty-three billion, four hundred fifty-three million, two hundred fifteen thousand, twelve".