1227666282892 has 24 divisors (see below), whose sum is σ = 2457401151744. Its totient is φ = 525699424272.

The previous prime is 1227666282851. The next prime is 1227666282901. The reversal of 1227666282892 is 2982826667221.

It is a self number, because there is not a number n which added to its sum of digits gives 1227666282892.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18435688 + ... + 18502159.

It is an arithmetic number, because the mean of its divisors is an integer number (102391714656).

Almost surely, 2^{1227666282892} is an apocalyptic number.

It is an amenable number.

1227666282892 is an abundant number, since it is smaller than the sum of its proper divisors (1229734868852).

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

1227666282892 is a wasteful number, since it uses less digits than its factorization.

1227666282892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36939045 (or 36939043 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 1227666282892 in words is "one trillion, two hundred twenty-seven billion, six hundred sixty-six million, two hundred eighty-two thousand, eight hundred ninety-two".