20231011012 has 6 divisors (see below), whose sum is σ = 35404269278. Its totient is φ = 10115505504.

The previous prime is 20231010977. The next prime is 20231011039. The reversal of 20231011012 is 21011013202.

It can be written as a sum of positive squares in only one way, i.e., 13722716736 + 6508294276 = 117144^2 + 80674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20231010983 and 20231011001.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2528876373 + ... + 2528876380.

Almost surely, 2^20231011012 is an apocalyptic number.

It is an amenable number.

20231011012 is a deficient number, since it is larger than the sum of its proper divisors (15173258266).

20231011012 is a wasteful number, since it uses less digits than its factorization.

20231011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057752757 (or 5057752755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20231011012 its reverse (21011013202), we get a palindrome (41242024214).

The spelling of 20231011012 in words is "twenty billion, two hundred thirty-one million, eleven thousand, twelve".