11212204012 has 12 divisors (see below), whose sum is σ = 19632958576. Its totient is φ = 5602787280.

The previous prime is 11212204009. The next prime is 11212204039. The reversal of 11212204012 is 21040221211.

It is a super-2 number, since 2×11212204012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821064 + ... + 834607.

Almost surely, 2^11212204012 is an apocalyptic number.

It is an amenable number.

11212204012 is a deficient number, since it is larger than the sum of its proper divisors (8420754564).

11212204012 is a wasteful number, since it uses less digits than its factorization.

11212204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657368 (or 1657366 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11212204012 its reverse (21040221211), we get a palindrome (32252425223).

The spelling of 11212204012 in words is "eleven billion, two hundred twelve million, two hundred four thousand, twelve".