1381685017612 has 12 divisors (see below), whose sum is σ = 2418116248800. Its totient is φ = 690794660816.

The previous prime is 1381685017591. The next prime is 1381685017613. The reversal of 1381685017612 is 2167105861831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1381685017613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11896987 + ... + 12012562.

It is an arithmetic number, because the mean of its divisors is an integer number (201509687400).

Almost surely, 2^{1381685017612} is an apocalyptic number.

It is an amenable number.

1381685017612 is a deficient number, since it is larger than the sum of its proper divisors (1036431231188).

1381685017612 is a wasteful number, since it uses less digits than its factorization.

1381685017612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23924000 (or 23923998 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 1381685017612 in words is "one trillion, three hundred eighty-one billion, six hundred eighty-five million, seventeen thousand, six hundred twelve".