2012502145531 has 4 divisors (see below), whose sum is σ = 2014935643512. Its totient is φ = 2010068647552.

The previous prime is 2012502145477. The next prime is 2012502145559. The reversal of 2012502145531 is 1355412052102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012502145531 - 2⁹ = 2012502145019 is a prime.

It is a super-2 number, since 2×2012502145531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012502145493 and 2012502145502.

It is not an unprimeable number, because it can be changed into a prime (2012502145631) 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, 1216747750 + ... + 1216749403.

It is an arithmetic number, because the mean of its divisors is an integer number (503733910878).

Almost surely, 2^{2012502145531} is an apocalyptic number.

2012502145531 is a deficient number, since it is larger than the sum of its proper divisors (2433497981).

2012502145531 is an equidigital number, since it uses as much as digits as its factorization.

2012502145531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433497980.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2012502145531 its reverse (1355412052102), we get a palindrome (3367914197633).

The spelling of 2012502145531 in words is "two trillion, twelve billion, five hundred two million, one hundred forty-five thousand, five hundred thirty-one".