12213541011 has 24 divisors (see below), whose sum is σ = 19455445200. Its totient is φ = 6790537152.

The previous prime is 12213540967. The next prime is 12213541027. The reversal of 12213541011 is 11014531221.

It is not a de Polignac number, because 12213541011 - 2⁷ = 12213540883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12213541211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117336 + ... + 1128213.

It is an arithmetic number, because the mean of its divisors is an integer number (810643550).

Almost surely, 2^12213541011 is an apocalyptic number.

12213541011 is a deficient number, since it is larger than the sum of its proper divisors (7241904189).

12213541011 is a wasteful number, since it uses less digits than its factorization.

12213541011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245603 (or 2245596 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 12213541011 in words is "twelve billion, two hundred thirteen million, five hundred forty-one thousand, eleven".