12511142102 has 16 divisors (see below), whose sum is σ = 18836582400. Its totient is φ = 6232314600.

The previous prime is 12511142101. The next prime is 12511142107. The reversal of 12511142102 is 20124111521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511142101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818849 + ... + 833987.

It is an arithmetic number, because the mean of its divisors is an integer number (1177286400).

Almost surely, 2^12511142102 is an apocalyptic number.

12511142102 is a deficient number, since it is larger than the sum of its proper divisors (6325440298).

12511142102 is a wasteful number, since it uses less digits than its factorization.

12511142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 12511142102 its reverse (20124111521), we get a palindrome (32635253623).

The spelling of 12511142102 in words is "twelve billion, five hundred eleven million, one hundred forty-two thousand, one hundred two".