20100350312 has 32 divisors (see below), whose sum is σ = 44557430400. Its totient is φ = 8317385664.

The previous prime is 20100350311. The next prime is 20100350317. The reversal of 20100350312 is 21305300102.

It is not an unprimeable number, because it can be changed into a prime (20100350311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186908 + ... + 6190155.

It is an arithmetic number, because the mean of its divisors is an integer number (1392419700).

Almost surely, 2^20100350312 is an apocalyptic number.

It is an amenable number.

20100350312 is an abundant number, since it is smaller than the sum of its proper divisors (24457080088).

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

20100350312 is a wasteful number, since it uses less digits than its factorization.

20100350312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12377105 (or 12377101 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20100350312 its reverse (21305300102), we get a palindrome (41405650414).

The spelling of 20100350312 in words is "twenty billion, one hundred million, three hundred fifty thousand, three hundred twelve".