4012126481 has 16 divisors (see below), whose sum is σ = 4633104960. Its totient is φ = 3439705920.

The previous prime is 4012126477. The next prime is 4012126493. The reversal of 4012126481 is 1846212104.

It is a cyclic number.

It is not a de Polignac number, because 4012126481 - 2² = 4012126477 is a prime.

It is a super-2 number, since 2×4012126481² = 32194317799082886722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (4012126421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132530 + ... + 159963.

It is an arithmetic number, because the mean of its divisors is an integer number (289569060).

Almost surely, 2^4012126481 is an apocalyptic number.

It is an amenable number.

4012126481 is a deficient number, since it is larger than the sum of its proper divisors (620978479).

4012126481 is a wasteful number, since it uses less digits than its factorization.

4012126481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292576.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 4012126481 is about 63341.3489041716. The cubic root of 4012126481 is about 1589.0035660442.

Adding to 4012126481 its reverse (1846212104), we get a palindrome (5858338585).

The spelling of 4012126481 in words is "four billion, twelve million, one hundred twenty-six thousand, four hundred eighty-one".