11212210002212 has 24 divisors (see below), whose sum is σ = 20776435092504. Its totient is φ = 5276113293312.

The previous prime is 11212210002163. The next prime is 11212210002221. The reversal of 11212210002212 is 21220001221211.

It can be written as a sum of positive squares in 4 ways, for example, as 4465546617856 + 6746663384356 = 2113184^2 + 2597434^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807973 + ... + 5068844.

It is an arithmetic number, because the mean of its divisors is an integer number (865684795521).

Almost surely, 2^{11212210002212} is an apocalyptic number.

It is an amenable number.

11212210002212 is a deficient number, since it is larger than the sum of its proper divisors (9564225090292).

11212210002212 is a wasteful number, since it uses less digits than its factorization.

11212210002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900815 (or 6900813 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212210002212 its reverse (21220001221211), we get a palindrome (32432211223423).

The spelling of 11212210002212 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, two thousand, two hundred twelve".