256012102 has 16 divisors (see below), whose sum is σ = 402793920. Its totient is φ = 121894848.

The previous prime is 256012093. The next prime is 256012109. The reversal of 256012102 is 201210652.

It is a self number, because there is not a number n which added to its sum of digits gives 256012102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256012109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33327 + ... + 40282.

It is an arithmetic number, because the mean of its divisors is an integer number (25174620).

Almost surely, 2^256012102 is an apocalyptic number.

256012102 is a deficient number, since it is larger than the sum of its proper divisors (146781818).

256012102 is a wasteful number, since it uses less digits than its factorization.

256012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73695.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 256012102 is about 16000.3781830305. The cubic root of 256012102 is about 634.9704262169.

Adding to 256012102 its reverse (201210652), we get a palindrome (457222754).

The spelling of 256012102 in words is "two hundred fifty-six million, twelve thousand, one hundred two".