16812766280812 has 12 divisors (see below), whose sum is σ = 29422372003920. Its totient is φ = 8406374279696.

The previous prime is 16812766280809. The next prime is 16812766280813. The reversal of 16812766280812 is 21808266721861.

It is a super-2 number, since 2×16812766280812² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16812766280813) 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, 3977889 + ... + 7032007.

It is an arithmetic number, because the mean of its divisors is an integer number (2451864333660).

Almost surely, 2^{16812766280812} is an apocalyptic number.

It is an amenable number.

16812766280812 is a deficient number, since it is larger than the sum of its proper divisors (12609605723108).

16812766280812 is a wasteful number, since it uses less digits than its factorization.

16812766280812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430360 (or 4430358 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 16812766280812 in words is "sixteen trillion, eight hundred twelve billion, seven hundred sixty-six million, two hundred eighty thousand, eight hundred twelve".