23212012221030 has 32 divisors (see below), whose sum is σ = 58985819292384. Its totient is φ = 5825759929856.

The previous prime is 23212012220987. The next prime is 23212012221067. The reversal of 23212012221030 is 3012221021232.

It is a super-2 number, since 2×23212012221030² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23212012220988 and 23212012221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22756874217 + ... + 22756875236.

It is an arithmetic number, because the mean of its divisors is an integer number (1843306852887).

Almost surely, 2^{23212012221030} is an apocalyptic number.

23212012221030 is an abundant number, since it is smaller than the sum of its proper divisors (35773807071354).

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

23212012221030 is a wasteful number, since it uses less digits than its factorization.

23212012221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45513749480.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23212012221030 its reverse (3012221021232), we get a palindrome (26224233242262).

The spelling of 23212012221030 in words is "twenty-three trillion, two hundred twelve billion, twelve million, two hundred twenty-one thousand, thirty".