20012313124 has 12 divisors (see below), whose sum is σ = 35035457548. Its totient is φ = 10002182400.

The previous prime is 20012313067. The next prime is 20012313131. The reversal of 20012313124 is 42131321002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 19962864100 = 7032^2 + 141290^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982197 + ... + 1002364.

Almost surely, 2^20012313124 is an apocalyptic number.

It is an amenable number.

20012313124 is a deficient number, since it is larger than the sum of its proper divisors (15023144424).

20012313124 is a wasteful number, since it uses less digits than its factorization.

20012313124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987086 (or 1987084 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20012313124 its reverse (42131321002), we get a palindrome (62143634126).

The spelling of 20012313124 in words is "twenty billion, twelve million, three hundred thirteen thousand, one hundred twenty-four".