20120353012 has 12 divisors (see below), whose sum is σ = 37063808320. Its totient is φ = 9530693496.

The previous prime is 20120352977. The next prime is 20120353037. The reversal of 20120353012 is 21035302102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 132370668 + ... + 132370819.

Almost surely, 2^20120353012 is an apocalyptic number.

It is an amenable number.

20120353012 is a deficient number, since it is larger than the sum of its proper divisors (16943455308).

20120353012 is a wasteful number, since it uses less digits than its factorization.

20120353012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264741510 (or 264741508 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20120353012 its reverse (21035302102), we get a palindrome (41155655114).

The spelling of 20120353012 in words is "twenty billion, one hundred twenty million, three hundred fifty-three thousand, twelve".