12541245412 has 18 divisors (see below), whose sum is σ = 23163092358. Its totient is φ = 5940589248.

The previous prime is 12541245403. The next prime is 12541245413. The reversal of 12541245412 is 21454214521.

It can be written as a sum of positive squares in only one way, i.e., 8234473536 + 4306771876 = 90744^2 + 65626^2 .

It is a super-2 number, since 2×12541245412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12541245413) 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, 4341093 + ... + 4343980.

Almost surely, 2^12541245412 is an apocalyptic number.

It is an amenable number.

12541245412 is a deficient number, since it is larger than the sum of its proper divisors (10621846946).

12541245412 is a wasteful number, since it uses less digits than its factorization.

12541245412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685115 (or 8685094 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

Adding to 12541245412 its reverse (21454214521), we get a palindrome (33995459933).

The spelling of 12541245412 in words is "twelve billion, five hundred forty-one million, two hundred forty-five thousand, four hundred twelve".