1248243012 has 18 divisors (see below), whose sum is σ = 3155281038. Its totient is φ = 416080992.

The previous prime is 1248242951. The next prime is 1248243013. The reversal of 1248243012 is 2103428421.

It can be written as a sum of positive squares in only one way, i.e., 654541056 + 593701956 = 25584^2 + 24366^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1248243012² = 3116221234013664288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1248243013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17336673 + ... + 17336744.

It is an arithmetic number, because the mean of its divisors is an integer number (175293391).

Almost surely, 2^1248243012 is an apocalyptic number.

1248243012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1248243012 is an abundant number, since it is smaller than the sum of its proper divisors (1907038026).

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

1248243012 is a wasteful number, since it uses less digits than its factorization.

1248243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34673427 (or 34673422 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1248243012 is about 35330.4827592265. The cubic root of 1248243012 is about 1076.7123995735.

The spelling of 1248243012 in words is "one billion, two hundred forty-eight million, two hundred forty-three thousand, twelve".