11442204012 has 12 divisors (see below), whose sum is σ = 26698476056. Its totient is φ = 3814068000.

The previous prime is 11442203891. The next prime is 11442204017. The reversal of 11442204012 is 21040224411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11442204012² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11442204012.

It is not an unprimeable number, because it can be changed into a prime (11442204017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476758489 + ... + 476758512.

Almost surely, 2^11442204012 is an apocalyptic number.

11442204012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11442204012 is an abundant number, since it is smaller than the sum of its proper divisors (15256272044).

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

11442204012 is a wasteful number, since it uses less digits than its factorization.

11442204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953517008 (or 953517006 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11442204012 its reverse (21040224411), we get a palindrome (32482428423).

The spelling of 11442204012 in words is "eleven billion, four hundred forty-two million, two hundred four thousand, twelve".