612061004452 has 6 divisors (see below), whose sum is σ = 1071106757798. Its totient is φ = 306030502224.

The previous prime is 612061004441. The next prime is 612061004453. The reversal of 612061004452 is 254400160216.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 540245580196 + 71815424256 = 735014^2 + 267984^2 .

It is not an unprimeable number, because it can be changed into a prime (612061004453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76507625553 + ... + 76507625560.

Almost surely, 2^612061004452 is an apocalyptic number.

It is an amenable number.

612061004452 is a deficient number, since it is larger than the sum of its proper divisors (459045753346).

612061004452 is a wasteful number, since it uses less digits than its factorization.

612061004452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153015251117 (or 153015251115 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 612061004452 its reverse (254400160216), we get a palindrome (866461164668).

The spelling of 612061004452 in words is "six hundred twelve billion, sixty-one million, four thousand, four hundred fifty-two".