612232505351 has 4 divisors (see below), whose sum is σ = 612236100432. Its totient is φ = 612228910272.

The previous prime is 612232505333. The next prime is 612232505359. The reversal of 612232505351 is 153505232216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612232505351 - 2²² = 612228311047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612232505359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528691 + ... + 1887156.

It is an arithmetic number, because the mean of its divisors is an integer number (153059025108).

Almost surely, 2^612232505351 is an apocalyptic number.

612232505351 is a deficient number, since it is larger than the sum of its proper divisors (3595081).

612232505351 is a wasteful number, since it uses less digits than its factorization.

612232505351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595080.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 612232505351 its reverse (153505232216), we get a palindrome (765737737567).

The spelling of 612232505351 in words is "six hundred twelve billion, two hundred thirty-two million, five hundred five thousand, three hundred fifty-one".