66033453251212 has 12 divisors (see below), whose sum is σ = 116163561741696. Its totient is φ = 32843864182160.

The previous prime is 66033453251201. The next prime is 66033453251243. The reversal of 66033453251212 is 21215235433066.

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, 43215610003 + ... + 43215611530.

It is an arithmetic number, because the mean of its divisors is an integer number (9680296811808).

Almost surely, 2^{66033453251212} is an apocalyptic number.

It is an amenable number.

66033453251212 is a deficient number, since it is larger than the sum of its proper divisors (50130108490484).

66033453251212 is a wasteful number, since it uses less digits than its factorization.

66033453251212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86431221728 (or 86431221726 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 66033453251212 its reverse (21215235433066), we get a palindrome (87248688684278).

The spelling of 66033453251212 in words is "sixty-six trillion, thirty-three billion, four hundred fifty-three million, two hundred fifty-one thousand, two hundred twelve".