12211021221030 has 96 divisors (see below), whose sum is σ = 31840061763744. Its totient is φ = 3246910230528.

The previous prime is 12211021220989. The next prime is 12211021221041. The reversal of 12211021221030 is 3012212011221.

12211021221030 is a `hidden beast` number, since 1 + 2 + 211 + 0 + 212 + 210 + 30 = 666.

It is a super-2 number, since 2×12211021221030² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211021220994 and 12211021221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45408549 + ... + 45676671.

It is an arithmetic number, because the mean of its divisors is an integer number (331667310039).

Almost surely, 2^{12211021221030} is an apocalyptic number.

12211021221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211021221030 is an abundant number, since it is smaller than the sum of its proper divisors (19629040542714).

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

12211021221030 is a wasteful number, since it uses less digits than its factorization.

12211021221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269590 (or 269587 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12211021221030 its reverse (3012212011221), we get a palindrome (15223233232251).

The spelling of 12211021221030 in words is "twelve trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, thirty".