53012220612 has 24 divisors (see below), whose sum is σ = 133210195776. Its totient is φ = 16311452448.

The previous prime is 53012220557. The next prime is 53012220629. The reversal of 53012220612 is 21602221035.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 169910808 + ... + 169911119.

It is an arithmetic number, because the mean of its divisors is an integer number (5550424824).

Almost surely, 2^53012220612 is an apocalyptic number.

53012220612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53012220612 is an abundant number, since it is smaller than the sum of its proper divisors (80197975164).

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

53012220612 is a wasteful number, since it uses less digits than its factorization.

53012220612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339821947 (or 339821945 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 53012220612 its reverse (21602221035), we get a palindrome (74614441647).

The spelling of 53012220612 in words is "fifty-three billion, twelve million, two hundred twenty thousand, six hundred twelve".