12207237748 has 12 divisors (see below), whose sum is σ = 21389475492. Its totient is φ = 6095959040.

The previous prime is 12207237739. The next prime is 12207237769. The reversal of 12207237748 is 84773270221.

It can be written as a sum of positive squares in 2 ways, for example, as 3048364944 + 9158872804 = 55212^2 + 95702^2 .

It is a super-2 number, since 2×12207237748² (a number of 21 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, 1911373 + ... + 1917748.

It is an arithmetic number, because the mean of its divisors is an integer number (1782456291).

Almost surely, 2^12207237748 is an apocalyptic number.

It is an amenable number.

12207237748 is a deficient number, since it is larger than the sum of its proper divisors (9182237744).

12207237748 is a wasteful number, since it uses less digits than its factorization.

12207237748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829922 (or 3829920 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 12207237748 in words is "twelve billion, two hundred seven million, two hundred thirty-seven thousand, seven hundred forty-eight".