255012215212131 has 16 divisors (see below), whose sum is σ = 370583089395456. Its totient is φ = 155039863926816.

The previous prime is 255012215212129. The next prime is 255012215212193. The reversal of 255012215212131 is 131212512210552.

It is a happy number.

It is not a de Polignac number, because 255012215212131 - 2¹ = 255012215212129 is a prime.

It is a super-2 number, since 2×255012215212131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255012215212092 and 255012215212101.

It is not an unprimeable number, because it can be changed into a prime (255012215212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39390206095 + ... + 39390212568.

It is an arithmetic number, because the mean of its divisors is an integer number (23161443087216).

Almost surely, 2^{255012215212131} is an apocalyptic number.

255012215212131 is a deficient number, since it is larger than the sum of its proper divisors (115570874183325).

255012215212131 is a wasteful number, since it uses less digits than its factorization.

255012215212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78780418762.

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 255012215212131 its reverse (131212512210552), we get a palindrome (386224727422683).

The spelling of 255012215212131 in words is "two hundred fifty-five trillion, twelve billion, two hundred fifteen million, two hundred twelve thousand, one hundred thirty-one".