22303203012 has 48 divisors (see below), whose sum is σ = 57904873600. Its totient is φ = 7423889760.

The previous prime is 22303203011. The next prime is 22303203047. The reversal of 22303203012 is 21030230322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22303203011) 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, 69064 + ... + 222207.

Almost surely, 2^22303203012 is an apocalyptic number.

It is an amenable number.

22303203012 is an abundant number, since it is smaller than the sum of its proper divisors (35601670588).

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

22303203012 is a wasteful number, since it uses less digits than its factorization.

22303203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291993 (or 291985 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22303203012 its reverse (21030230322), we get a palindrome (43333433334).

The spelling of 22303203012 in words is "twenty-two billion, three hundred three million, two hundred three thousand, twelve".