23211030012 has 48 divisors (see below), whose sum is σ = 54848357760. Its totient is φ = 7638666048.

The previous prime is 23211030001. The next prime is 23211030013. The reversal of 23211030012 is 21003011232.

It is a junction number, because it is equal to n+sod(n) for n = 23211029973 and 23211030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211030013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655343 + ... + 1669305.

It is an arithmetic number, because the mean of its divisors is an integer number (1142674120).

Almost surely, 2^23211030012 is an apocalyptic number.

It is an amenable number.

23211030012 is an abundant number, since it is smaller than the sum of its proper divisors (31637327748).

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

23211030012 is a wasteful number, since it uses less digits than its factorization.

23211030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722 (or 15720 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23211030012 its reverse (21003011232), we get a palindrome (44214041244).

The spelling of 23211030012 in words is "twenty-three billion, two hundred eleven million, thirty thousand, twelve".