12562026520 has 32 divisors (see below), whose sum is σ = 28865937600. Its totient is φ = 4917899008.

The previous prime is 12562026509. The next prime is 12562026523. The reversal of 12562026520 is 2562026521.

It is a happy number.

It is a super-3 number, since 3×12562026520³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12562026523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339085 + ... + 3342844.

It is an arithmetic number, because the mean of its divisors is an integer number (902060550).

Almost surely, 2^12562026520 is an apocalyptic number.

12562026520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12562026520 is an abundant number, since it is smaller than the sum of its proper divisors (16303911080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12562026520 is a wasteful number, since it uses less digits than its factorization.

12562026520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681987 (or 6681983 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Subtracting from 12562026520 its reverse (2562026521), we obtain a palindrome (9999999999).

It can be divided in two parts, 1256 and 2026520, that added together give a square (2027776 = 1424²).

The spelling of 12562026520 in words is "twelve billion, five hundred sixty-two million, twenty-six thousand, five hundred twenty".