20231011212 has 24 divisors (see below), whose sum is σ = 47313235200. Its totient is φ = 6728307216.

The previous prime is 20231011193. The next prime is 20231011217. The reversal of 20231011212 is 21211013202.

It is a junction number, because it is equal to n+sod(n) for n = 20231011191 and 20231011200.

It is not an unprimeable number, because it can be changed into a prime (20231011217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914912 + ... + 1925447.

It is an arithmetic number, because the mean of its divisors is an integer number (1971384800).

Almost surely, 2^20231011212 is an apocalyptic number.

It is an amenable number.

20231011212 is an abundant number, since it is smaller than the sum of its proper divisors (27082223988).

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

20231011212 is a wasteful number, since it uses less digits than its factorization.

20231011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840805 (or 3840803 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20231011212 its reverse (21211013202), we get a palindrome (41442024414).

The spelling of 20231011212 in words is "twenty billion, two hundred thirty-one million, eleven thousand, two hundred twelve".