1385012612 has 12 divisors (see below), whose sum is σ = 2425192476. Its totient is φ = 692100480.

The previous prime is 1385012611. The next prime is 1385012621. The reversal of 1385012612 is 2162105831.

It can be written as a sum of positive squares in 2 ways, for example, as 467164996 + 917847616 = 21614^2 + 30296^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1385012611) 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, 93713 + ... + 107480.

It is an arithmetic number, because the mean of its divisors is an integer number (202099373).

Almost surely, 2^1385012612 is an apocalyptic number.

It is an amenable number.

1385012612 is a deficient number, since it is larger than the sum of its proper divisors (1040179864).

1385012612 is a wasteful number, since it uses less digits than its factorization.

1385012612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202918 (or 202916 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1385012612 is about 37215.7575765965. The cubic root of 1385012612 is about 1114.6826533574.

It can be divided in two parts, 13850 and 12612, that added together give a palindrome (26462).

The spelling of 1385012612 in words is "one billion, three hundred eighty-five million, twelve thousand, six hundred twelve".