2012523021015 has 64 divisors (see below), whose sum is σ = 3566994278400. Its totient is φ = 962723257344.

The previous prime is 2012523021013. The next prime is 2012523021029. The reversal of 2012523021015 is 5101203252102.

It is not a de Polignac number, because 2012523021015 - 2¹ = 2012523021013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012523021013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 484051 + ... + 2063819.

It is an arithmetic number, because the mean of its divisors is an integer number (55734285600).

Almost surely, 2^{2012523021015} is an apocalyptic number.

2012523021015 is a deficient number, since it is larger than the sum of its proper divisors (1554471257385).

2012523021015 is a wasteful number, since it uses less digits than its factorization.

2012523021015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579976.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 2012523021015 its reverse (5101203252102), we get a palindrome (7113726273117).

The spelling of 2012523021015 in words is "two trillion, twelve billion, five hundred twenty-three million, twenty-one thousand, fifteen".