555122243412 has 72 divisors (see below), whose sum is σ = 1572164429472. Its totient is φ = 163672401600.

The previous prime is 555122243383. The next prime is 555122243413. The reversal of 555122243412 is 214342221555.

555122243412 is a `hidden beast` number, since 5 + 5 + 5 + 12 + 224 + 3 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555122243413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18928914 + ... + 18958217.

It is an arithmetic number, because the mean of its divisors is an integer number (21835617076).

Almost surely, 2^555122243412 is an apocalyptic number.

It is an amenable number.

555122243412 is an abundant number, since it is smaller than the sum of its proper divisors (1017042186060).

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

555122243412 is a wasteful number, since it uses less digits than its factorization.

555122243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37887189 (or 37887184 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 555122243412 its reverse (214342221555), we get a palindrome (769464464967).

The spelling of 555122243412 in words is "five hundred fifty-five billion, one hundred twenty-two million, two hundred forty-three thousand, four hundred twelve".