23211102012 has 96 divisors (see below), whose sum is σ = 67400793600. Its totient is φ = 6066047232.

The previous prime is 23211101941. The next prime is 23211102023. The reversal of 23211102012 is 21020111232.

It is a super-2 number, since 2×23211102012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211101982 and 23211102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204463 + ... + 297030.

It is an arithmetic number, because the mean of its divisors is an integer number (702091600).

Almost surely, 2^23211102012 is an apocalyptic number.

It is an amenable number.

23211102012 is an abundant number, since it is smaller than the sum of its proper divisors (44189691588).

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

23211102012 is a wasteful number, since it uses less digits than its factorization.

23211102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501555 (or 501553 counting only the distinct ones).

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

Adding to 23211102012 its reverse (21020111232), we get a palindrome (44231213244).

The spelling of 23211102012 in words is "twenty-three billion, two hundred eleven million, one hundred two thousand, twelve".