615226121013012 has 48 divisors (see below), whose sum is σ = 1439323869517632. Its totient is φ = 204533205491200.

The previous prime is 615226121013011. The next prime is 615226121013029. The reversal of 615226121013012 is 210310121622516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615226121013011) 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, 22405603 + ... + 41622869.

It is an arithmetic number, because the mean of its divisors is an integer number (29985913948284).

Almost surely, 2^{615226121013012} is an apocalyptic number.

It is an amenable number.

615226121013012 is an abundant number, since it is smaller than the sum of its proper divisors (824097748504620).

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

615226121013012 is a wasteful number, since it uses less digits than its factorization.

615226121013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19224328 (or 19224326 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 615226121013012 its reverse (210310121622516), we get a palindrome (825536242635528).

The spelling of 615226121013012 in words is "six hundred fifteen trillion, two hundred twenty-six billion, one hundred twenty-one million, thirteen thousand, twelve".