12234546738 has 90 divisors (see below), whose sum is σ = 28369115307. Its totient is φ = 3810537360.

The previous prime is 12234546719. The next prime is 12234546743. The reversal of 12234546738 is 83764543221.

12234546738 is a `hidden beast` number, since 1 + 2 + 2 + 34 + 546 + 73 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6713016489 + 5521530249 = 81933^2 + 74307^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78213.

It is a junction number, because it is equal to n+sod(n) for n = 12234546693 and 12234546702.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 394662783 + ... + 394662813.

Almost surely, 2^12234546738 is an apocalyptic number.

12234546738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12234546738

12234546738 is an abundant number, since it is smaller than the sum of its proper divisors (16134568569).

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

12234546738 is an frugal number, since it uses more digits than its factorization.

12234546738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 65 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 12234546738 in words is "twelve billion, two hundred thirty-four million, five hundred forty-six thousand, seven hundred thirty-eight".