66231022112 has 12 divisors (see below), whose sum is σ = 130392324846. Its totient is φ = 33115511040.

The previous prime is 66231022093. The next prime is 66231022127. The reversal of 66231022112 is 21122013266.

It is a happy number.

66231022112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48913514896 + 17317507216 = 221164^2 + 131596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034859689 + ... + 1034859752.

Almost surely, 2^66231022112 is an apocalyptic number.

It is an amenable number.

66231022112 is a deficient number, since it is larger than the sum of its proper divisors (64161302734).

66231022112 is a wasteful number, since it uses less digits than its factorization.

66231022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069719451 (or 2069719443 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 66231022112 its reverse (21122013266), we get a palindrome (87353035378).

The spelling of 66231022112 in words is "sixty-six billion, two hundred thirty-one million, twenty-two thousand, one hundred twelve".