1214238561886 has 48 divisors (see below), whose sum is σ = 2250430919856. Its totient is φ = 488231649024.

The previous prime is 1214238561859. The next prime is 1214238561929. The reversal of 1214238561886 is 6881658324121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621460 + ... + 1677703.

It is an arithmetic number, because the mean of its divisors is an integer number (46883977497).

Almost surely, 2^{1214238561886} is an apocalyptic number.

1214238561886 is a deficient number, since it is larger than the sum of its proper divisors (1036192357970).

1214238561886 is a wasteful number, since it uses less digits than its factorization.

1214238561886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299513 (or 2299506 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The spelling of 1214238561886 in words is "one trillion, two hundred fourteen billion, two hundred thirty-eight million, five hundred sixty-one thousand, eight hundred eighty-six".