12520001025411 has 32 divisors (see below), whose sum is σ = 18227975609088. Its totient is φ = 7580770467840.

The previous prime is 12520001025409. The next prime is 12520001025421. The reversal of 12520001025411 is 11452010002521.

It is a happy number.

It is not a de Polignac number, because 12520001025411 - 2¹ = 12520001025409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520001025421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587424291 + ... + 587445603.

It is an arithmetic number, because the mean of its divisors is an integer number (569624237784).

Almost surely, 2^{12520001025411} is an apocalyptic number.

12520001025411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12520001025411 is a deficient number, since it is larger than the sum of its proper divisors (5707974583677).

12520001025411 is a wasteful number, since it uses less digits than its factorization.

12520001025411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37171.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12520001025411 its reverse (11452010002521), we get a palindrome (23972011027932).

The spelling of 12520001025411 in words is "twelve trillion, five hundred twenty billion, one million, twenty-five thousand, four hundred eleven".