12211010320028 has 48 divisors (see below), whose sum is σ = 23083516216320. Its totient is φ = 5618606157504.

The previous prime is 12211010320027. The next prime is 12211010320031. The reversal of 12211010320028 is 82002301011221.

It is a junction number, because it is equal to n+sod(n) for n = 12211010319985 and 12211010320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211010320027) 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, 57508625 + ... + 57720567.

It is an arithmetic number, because the mean of its divisors is an integer number (480906587840).

Almost surely, 2^{12211010320028} is an apocalyptic number.

It is an amenable number.

12211010320028 is a deficient number, since it is larger than the sum of its proper divisors (10872505896292).

12211010320028 is a wasteful number, since it uses less digits than its factorization.

12211010320028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215346 (or 215344 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12211010320028 its reverse (82002301011221), we get a palindrome (94213311331249).

The spelling of 12211010320028 in words is "twelve trillion, two hundred eleven billion, ten million, three hundred twenty thousand, twenty-eight".