1208272512 has 64 divisors (see below), whose sum is σ = 3232706400. Its totient is φ = 399842304.

The previous prime is 1208272489. The next prime is 1208272519. The reversal of 1208272512 is 2152728021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1208272512.

It is not an unprimeable number, because it can be changed into a prime (1208272519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42058 + ... + 64694.

Almost surely, 2^1208272512 is an apocalyptic number.

1208272512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208272512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616353200).

1208272512 is an abundant number, since it is smaller than the sum of its proper divisors (2024433888).

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

1208272512 is a wasteful number, since it uses less digits than its factorization.

1208272512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793 (or 22781 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1208272512 is about 34760.2144987628. The cubic root of 1208272512 is about 1065.0948836533.

The spelling of 1208272512 in words is "one billion, two hundred eight million, two hundred seventy-two thousand, five hundred twelve".